1)　Original Papers

2018

1.	Jeffrey C. De Vero, Katherine Develos-Bagarinao, Shu-Sheng Liu, Haruo Kishimoto, Tomohiro Ishiyama, Katsuhiko Yamaji, Teruhisa Horita, Harumi Yokokawa, "Sulfur poisoning behavior of La1-xSrxCo1-yFeyO3-δ thin films with different compositions, "Journal of Alloys and Compounds 748, 608-619 (2018) doi:10.1016/j.jallcom.2018.03.198
2.	Jeffrey C. De Vero, Katherine Develos-Bagarinao, Haruo Kishimoto, Tomohiro Ishiyama, Katsuhiko Yamaji, Teruhisa Horita, Harumi Yokokawa, "Enhanced stability of solid oxide fuel cells by employing a modified cathode-interlayer interface with a dense La0.6Sr0.4Co0.2Fe0.8O3-δ thin film, "Journal of Power Sources 377, 128-135 (2018) doi:10.1016/j.jpowsour.2017.12.010
3.	Jeffrey C. De Vero, Katherine Develos-Bagarinao, Hirofumi Matsuda, Haruo Kishimoto, Tomohiro Ishiyama, Katsuhiko Yamaji, Teruhisa Horita, Harumi Yokokawa, "Sr and Zr transport in PLD-grown Gd-doped ceria interlayers, "Solid State Ionics 314, 165-171 (2018) doi:10.1016/j.ssi.2017.10.023

2017

1.	Kang Yan, Haruo Kishimoto, Katherine Develos-Bagarinao, Katsuhiko Yamaji, Teruhisa Horita, Harumi Yokokawa, "Effects of sintering atmosphere on the interaction between doped yttrium chromite anode and yttria stabilized zirconia electrolyte, "Solid State Ionics 307, 21-25 (2017) doi:10.1016/j.ssi.2017.05.006
2.	H. Yokokawa, Y. Hori, T. Shigehisa, M. Suzuki, S. Inoue, T. Suto, K. Tomida, M. Shimazu, A. Kawakami, H. Sumi, M. Ohmori, N. Mori, T. Iha, K. Yamaji, H. Kishimoto, K. Develos-Bagarinao, K. Sasaki, S. Taniguchi, T. Kawada, M. Muramatsu, K. Terada, K. Eguchi, T. Matsui, H. Iwai, M. Kishimoto, N. Shikazono, Y. Mugikura, T. Yamamoto, M. Yoshikawa, K. Yasumoto, K. Asano, Y. Matsuzaki, S. Amaha, T. Somekawa, "Recent Achievements of NEDO Durability Project with an Emphasis on Correlation Between Cathode Overpotential and Ohmic Loss, "Fuel Cells 17(4), 473-497 (2017) doi:10.1002/fuce.201600186
3.	Julian Szász, Sascha Seils, Dino Klotz, Heike Störmer, Martin Heilmaier, Dagmar Gerthsen, Harumi Yokokawa and Ellen Ivers-Tiffée, "High-Resolution Studies on Nanoscaled Ni/YSZ Anodes, "Chem. Mater. 29(12), 5113-5123 doi:10.1021/acs.chemmater.7b00360
4.	Katherine Develos-Bagarinao, Harumi Yokokawa, Haruo Kishimoto, Tomohiro Ishiyama, Katsuhiko Yamaji and Teruhisa Horita, "Elucidating the origin of oxide ion blocking effects at GDC/SrZr(Y)O3/YSZ interfaces, "J. Mater. Chem A. 5(18), 8733-8743 (2017) doi:10.1039/C7TA01589E
5.	Masami SATO, Mayu MURAMATSU, Kenjiro TERADA, Satoshi WATANABE, Keiji YASHIRO, Tatsuya KAWADA and Harumi YOKOKAWA, "Analysis System of Transient Electrochemo-Mechanical Simulation of Solid Oxide Fuel Cell Implemented in Commercial FEM Software, "Transaction JSCES. 2017, p.20170004 (2017) (in Japanese) doi:10.11421/jsces.2017.20170004
6.	Jeffrey C. De Vero, Katherine Develos-Bagarinao, Haruo Kishimoto, Tomohiro Ishiyama, Katsuhiko Yamaji, Teruhisa Horita and Harumi Yokokawa, "Effect of Cathodic Polarization on the La0.6Sr0.4Co0.2Fe0.8O3-δ-Cathode/Gd-Doped Ceria-Interlayer/YSZ Electrolyte Interfaces of Solid Oxide Fuel Cells, "J. Electrochem. Soc. 164(4), F259-F269 (2017) doi:10.1149/2.0811704jes
7.	Harumi Yokokawa, Haruo Kishimoto, Taro Shimonosono, Katsuhiko Yamaji, Mayu Muramatsu, Kenjiro Terada, Keiji Yashiro, Tatsuya Kawada, "Simulation Technology on SOFC Durability With an Emphasis on Conductivity Degradation of ZrO2-Base Electrolyte, "Journal of Electrochemical Energy Conversion and Storage 14(1), 011004（19 pages） (2017) doi:10.1115/1.4036038

2016

1.	Jeffrey C. De Vero, Katherine Develos-Bagarinao, Haruo Kishimoto, Tomohiro Ishiyama, Katsuhiko Yamaji, Teruhisa Horita and Harumi Yokokawa, "Influence of La0.6Sr0.4Co0.2Fe0.8O3-δ Microstructure on GDC Interlayer Stability and Cation Diffusion across the LSCF/GDC/YSZ Interfaces, "J. Electrochem. Soc. 163(13), F1463-F1470 (2016) doi:10.1149/2.0021614jes
2.	Fangfang Wang, Haruo Kishimoto, Katherine Develos-Bagarinao, Katsuhiko Yamaji, Teruhisa Horita and Harumi Yokokawa, "Interrelation between Sulfur Poisoning and Performance Degradation of LSCF Cathode for SOFCs, "J. Electrochem. Soc. 163(8), F899-F904 (2016) doi:10.1149/2.1151608jes
3.	Fangfang Wang, Haruo Kishimoto, Katherine Develos-Bagarinao, Katsuhiko Yamaji, Teruhisa Horita, Harumi Yokokawa, "Encroachment of titanium oxide on Ni surface for Ni/TiO2 under reducing atmosphere, "Solid State Ionics 288, 130-134 (2016) doi:10.1016/j.ssi.2016.01.027
4.	Kang Yan, Haruo Kishimoto, Katherine Develos-Bagarinao, Katsuhiko Yamaji, Teruhisa Horita, Harumi Yokokawa, "Chemical compatibility of doped yttrium chromite and ceria composite materials with YSZ electrolyte, "Solid State Ionics 288, 88-93 (2016) doi:10.1016/j.ssi.2016.01.023
5.	Harumi Yokokawa, "Thermodynamic stability of sulfide electrolyte/oxide electrode interface in solid-state lithium batteries, "Solid State Ionics 285, 126-135 (2016)　 doi:10.1016/j.ssi.2015.05.010

2015

1.	Wolfgang Winkler, Ai Suzuki, Akira Miyamoto, Harumi Yokokawa, Mark C Williams, “Performance Envelope for Electrolyser Systems,”ECS Transactions 65(1), 253-262 (2015) doi:10.1149/06501.0253ecst

2014

1.	Mina Nishi, Harumi Yokokawa, Haruo Kishimoto, Katsuhiko Yamaji, and Teruhisa Horita, “Oxygen isotope labeling method and oxygen reduction reaction mechanism of an SOFC cathode,” Solid State Ionics 262, 392-397 (2014) doi:10.1016/j.ssi.2013.12.038
2.	Haruo Kishimoto, Akihito Suzuki, Taro Shimonosono, M. Nishi, Katsuhiko Yamaji, Manuel E. Brito, Harumi Yokokawa, Fumio Munakata, and Teruhisa Horita, “Effect of the Oxide Substrate on the Nickel Particle Properties,” Solid State Ionics 262, 403-406 (2014) doi:10.1016/j.ssi.2014.01.004
3.	Teruhisa Horita, Mina Nishi, Taro Shimonosono, Haruo Kishimoto, Katsuhiko Yamaji, Manuel E. Brito, Harumi Yokokawa, “Visualization of oxide ionic diffusion at SOFC cathode/electrolyte interfaces by isotope labeling techniques,” Solid State Ionics 262, 398-402 (2014) doi:10.1016/j.ssi.2013.12.039
4.	Fangfang Wang, Manuel E. Brito, Katsuhiko Yamaji, Do-Hyung Cho, Mina Nishi, Haruo Kishimoto, Teruhisa Horita, and Harumi Yokokawa, “Effect of polarization on Sr and Zr diffusion behavior in LSCF/10GDC/8YSZ system,” Solid State Ionics 262, 454-459 (2014) doi:10.1016/j.ssi.2014.04.002
5.	Fangfang Wang, Mina Nishi, Manuel E. Brito, Haruo Kishimoto, Katsuhiko Yamaji, Harumi Yokokawa, and Teruhisa Horita, “Sr and Zr Diffusion in LSCF/10GDC/8YSZ Triplets for solid oxide fuel cells (SOFCs),” J. Power Sources 258, 281-289 (2014) doi:10.1016/j.jpowsour.2014.02.046

2013

1.	Katsuhiko Yamaji, Haruo Kishimoto, Manuel E. Brito, Teruhisa Horita, Harumi Yokokawa, Megumi Shimazu, Kenji Yashiro, Tatsuya Kawada, Junichiro Mizusaki, “Effect of Mn-doping on Stability of Scandia stabilized zirconia electrolyte under dual atmosphere of solid oxide fuel cells,” Solid State Ionics 247-248, 102-107 (2013) doi:10.1016/j.ssi.2013.05.019
2.	H. Yokokawa, T. Horita, K. Yamaji, H. Kishimoto, T. Yamamoto, M. Yoshikawa, Y. Mugikura, K. Tomida, “Chromium Poisoning of LaMnO3-Based Cathode within Generalized Approach,” Fuel Cells, 13(4), 526-535 (2013)　 doi:10.1002/fuce.201200164
3.	F. Wang, K. Yamaji, D.‐H. Cho, T. Shimonosono, M. Nishi, H. Kishimoto, M. E. Brito, T. Horita and H. Yokokawa, "Evaluation of Sulfur Dioxide Poisoning for LSCF Cathodes, "Fuel Cells 13(4), 520-525 (2013) doi:10.1002/fuce.201200172
4.	Teruhisa Horita, Do-Hyung Cho, Fangfang Wang, Mina Nishi, Taro Shimonosono, Haruo Kishimoto, Katsuhiko Yamaji, Manuel E. Brito and Harumi Yokokawa, "Degradation Mechanism of SOFC Cathodes under CrO3 and SO2 Impurity Exposures, "ECS Transactions 51(1), 69-77 (2013) doi:10.1149/05101.0069ecst
5.	Do-Hyung Cho, Haruo Kishimoto, Manuel E. Brito, Katsuhiko Yamaji, Mina Nish, Taro Shimonosono, Fangfang Wang, Harumi Yokokawa and Teruhisa Horita, "Cathode Performance and Deposited Cr under Cr Poisoning Condition in the (La0.6Sr0.4)(Co0.2Fe0.8)O3 Cathode, "The Electrochemical Society 50(27), 125-131 (2013) doi:10.1149/05027.0125ecst
6.	Fangfang Wang, Katsuhiko Yamaji, Do-Hyung Cho, Taro Shimonosono, Mina Nishi, Haruo Kishimoto, Manuel E. Brito, Teruhisa Horita and Harumi Yokokawa, "Influence of Water Vapor on Sulfur Distribution Within La0.6Sr0.4Co0.2Fe0.8O3 Cathode, "ECS Transactions 50(27), 143-150 (2013) doi:10.1149/05027.0143ecst
7.	Haruo Kishimoto, Taro Shimonosono, Katsuhiko Yamaji, Manuel E. Brito, Teruhisa Horita, and Harumi Yokokawa, “Oxide Component in the Nickel Base Cermet Anode: Its Effect on the Performance of SOFCs,” Electrochemistry 81(4), 255-258 (2013) doi:10.5796/electrochemistry.81.255
8.	Jan Hayd, Harumi Yokokawa, Ellen Iverse-Tiffee, “Hetero-Interface at Nanoscaled (La,Sr)CoO3-δ Thin-Film Cathode Enhancing Oxygen Surface Exchange,” J. Electrochem. Soc. 160(4), F351-F359 (2013)　 doi:10.1149/2.017304jes
9.	Teruhisa Horita, Do-Hyung Cho, Taro, Shimonosono, Haruo Kishimoto, Katsuhiko Yamaji, Manuel E. Brito, Harumi Yokokawa, “Visualization of oxide ionic diffusion at cathode/interlayer/electrolyte interface in real flat-tube SOFC cells-stack,” J. Ceram. Soc. Japan 121(1410), 195-199 (2013)  doi:10.2109/jcersj2.121.195

2012

1.	Haruo Kishimoto, Keiji Yashiro, Taro Shimonosono, Manuel E. Brito, Katsuhiko Yamaji, Teruhisa Horita, Harumi Yokokawa, Junichiro Mizusaki, “In situ analysis on the electrical conductivity degradation of NiO doped yttria stabilized zirconia electrolyte by micro-Raman spectroscopy,” Electrochemica Acta 82, 263-267 (2012) doi:10.1016/j.electacta.2012.04.148
2.	Taro Shimonosono, Haruo Kishimoto, Katsuhiko Yamaji, Manuel E. Brito, Teruhisa Horita and Harumi Yokokawa, “Electronic Conductivity of Ni-Doped Yttria-Stabilized Zirconia,” Solid State Ionics 225, 61-64 (2012) doi:10.1016/j.ssi.2012.03.046
3.	Teruhisa Horita, Taro Shimonosono, Haruo Kishimoto, Katsuhiko Yamaji, Manuel E. Brito, and Harumi Yokokawa, “Oxygen Ionization and Diffusion at SOFC Cathode/Electrolyte Interface under Cathodic Polarization” Solid State Ionics 225, 141-145 (2012) doi:10.1016/j.ssi.2012.04.026
4.	Haruo Kishimoto, Akihito Suzuki, Taro Shimonosono, Manuel E. Brito, Katsuhiko Yamaji, Teruhisa Horita, Fumio Munakata, Harumi Yokokawa, “Agglomeration Behavior of Nickel Particles on YSZ Electrolyte,” Solid State Ionics 225, 65-68 (2012) doi:10.1016/j.ssi.2012.04.010
5.	Do-Hyung Cho, Teruhisa Horita, Taro Shimonosono, Haruo Kishimoto, Katsuhiko Yamaji, Manuel E. Brito, Fanfang Wang, and Harumi Yokokawa, “Correlation between Degradation of Cathode Performance and Chromium Concentration in (La,Sr)MnO3 Cathode,” Solid State Ionics 225, 151-156 (2012) doi:10.1016/j.ssi.2012.02.048
6.	Taro Shimonosono, Haruo Kishimoto, Katsuhiko Yamaji, Manuel E. Brito, Teruhisa Horita and Harumi Yokokawa, “Phase Transformation Related Electrical Conductivity Degradation of NiO Doped YSZ,” Solid State Ionics 225, 69-72 (2012) doi:10.1016/j.ssi.2012.05.023
7.	Harumi Yokokawa, “Thermodynamic and SIMS analyses on the role of proton/water in oxygen reduction process and related degradations in solid oxide fuel cells,” Solid State Ionics 225, 6-17 (2012) doi:10.1016/j.ssi.2012.05.016
8.	Fangfang Wang, Katsuhiko Yamaji, Do-Hyung Cho, Taro Shimonosono, Haruo Kishimoto, Manuel E. Brito, Teruhisa Horita, Harumi Yokokawa. “Effect of Strontium Concentration on Sulfur Poisoning of LSCF Cathodes,” Solid State Ionics 225, 157-160 (2012) doi:10.1016/j.ssi.2012.05.026
9.	Megumi Shimazu, Katsuhiko Yamaji, Haruo Kishimoto, Akira Ueno, Toshihiro Isobe, Ken-ichi Katsumata, Harumi Yokokawa, Kiyoshi Okada, “Stability of Sc2O3 and CeO2 co-doped ZrO2 electrolyte during the operation of solid oxide fuel cells:Part III. Detailed mechanism of the decomposition,” Solid State Ionics 224, 6-14 (2012) doi:10.1016/j.ssi.2012.06.025
10.	Andreas Schuler, Harumi Yokokawa, Caroline F. Calderone, Quentin Jeangros, Zacharie Wuillemin, Aicha Hessler-Wyser, Jan Van herle, “Combined Cr and S poisoning in solid oxide fuel cell cathodes,” J. Power Sources 201, 112-120 (2012) doi:10.106/j.jpowsour.2011.10.123
11.	Haruo Kishimoto, Akihito Suzuki, Taro Shimonosono, Manuel E. Brito, Katsuhiko Yamaji, Teruhisa Horita, Fumio Munakata, Harumi Yokokawa, “Agglomeration behavior of nickel particles on YSZ and TiO2-doped YSZ electrolytes,” J. Power Sources 199, 174-178 (2012) doi:10.1016/j.jpowsour.2011.10.047
12.	H. Yokokawa, T. Horita, K. Yamaji, H. Kishimoto, M. E. Brito, “Degradation of SOFC Cell/Stack Performance in Relation to Materials Deterioration,” J. Korean Ceramic Society 49(1), 11-18 (2012) 　 doi:10.4191/kcers.2012.49.1.011

2011

1.	Megumi Shimazu, Katsuhiko Yamaji, Toshihiro Isobe, Akira Ueno, Haruo Kishimoto, Kenichi Katsumata, Harumi Yokokawa, Kiyoshi Okada, “Stability of Sc2O3 and CeO2 co-doped ZrO2 electrolyte during the operation of solid oxide fuel cells: Part II the influences of Mn, Al and Si,” Solid State Ionics 204-205, 120-128 (2011) doi:10.1016/j.ssi.024
2.	Yoshitaka Baba, Harukuni Kameda, Yoshio Matsuzaki, Satoshi Yamashita, Nobutaka Yasuda, Toshihiro Uehara, Teruhisa Horita, Katsuhiko Yamaji, Harumi Yokokawa, “Manganese-Cobalt spinel coating on Alloy Interconnects for SOFCs,” Materials Science Forum 696, 406-411 (2011) doi:10.4028/www.scientific.net/MSF.696.406
3.	Manabu Izuki, Manuel E. Brito, Katsuhiko Yamaji, Haruo Kishimoto, Do-Hyung Cho, Taro Shimonosono, Teruhisa Horita and Harumi Yokokawa, “Interfacial stability and cation diffusion across the LSCF/GDC interface,” J. Power Sources 196(17), 7232-7236 (2011) doi:10.1016/j.jpowsour.2010.11.013
4.	Harumi Yokokawa, Katsuhiko Yamaji, M. E. Brito, Haruo Kishimoto, and Teruhisa Horita, “General Considerations on Degradation of SOFC Anodes and Cathodes to Impurities in Gases,” J. Power Sources 196, 7070-7075 (2011)　 doi:10.1016/j.jpowsour.2010.07.093
5.	Yue-Ping Xiong, Haruo Kishimoto, Katsuhiko Yamaji, Masashi Yoshinaga, Teruhisa Horita, Manuel E. Brito, Harumi Yokokawa, “Electronic conductivity of pure ceria,” Solid State Ionics 192(1), 476-479 (2011) doi:10.1016/j.ssi.2010.07.017
6.	Masashi Yoshinaga, Haruo Kishimoto, Katsuhiko Yamaji, Yue-Ping Xiong, Manuel E. Brito, Teruhisa Horita, Harumi Yokokawa, “Deposited carbon distribution on nickel film/oxide substrate systems,” Solid State Ionics 192(1), 571-575 (2011) doi:10.1016/j.ssi.2010.05.003
7.	Megumi Shimazu, Toshihiro Isobe, Shigeru Ando, Ken-ichi Hitashi, Akira Ueno, Katsuhiko Yamaji, Haruo Kishimoto, Harumi Yokokawa, Akira Nakajima, Kiyoshi Okada, “Stability of Sc2O3 and CeO2 co-doped ZrO2 Electrolyte during the Operation of Solid Oxide Fuel Cells,” Solid State Ionics 182(1), 120-126 (2011) doi:10.1016/j.ssi.2010.08.030
8.	Masashi YOSHINAGA, Haruo KISHIMOTO, Manuel E. BRITO, Katsuhiko YAMAJI, Teruhisa HORITA and Harumi YOKOKAWA, “Carbon deposition map for nickel particles onto oxide substrates analyzed by micro-Raman spectroscopy,” J. Ceram. Soc. Japan 119(1388), 307-309 (2011) doi:10.2109/jcersj2.119.307
9.	Fangfang Wang, Katsuhiko Yamaji, Do-Hyung Cho, Taro Shimonosono, Haruo Kishimoto, Manuel E. Brito, Teruhisa Horita and Harumi Yokokawa, “Sulfur Poisoning on La0.6Sr0.4Co0.2Fe0.8O3 Cathode for SOFCs,” J. Electrochem.Soc. 158(11), B1391-B1397 (2011) doi:10.1149/2.059111jes

2010

1.	Teruhisa Horita, Taro Shimonosono, Haruo Kishimoto, Katsuhiko Yamaji, Manuel E. Brito and Harumi Yokokawa, “Visualization of Oxygen Ionization and Flows in Solid Oxide Fuel Cells,” Electrochemical and Solid State Letters 13(12), B135-B138 (2010) doi:10.1149/1.3489109
2.	Haruo Kishimoto, Teruhisa Horita, Katsuhiko Yamaji, Manuel E. Brito, Yue-ping Xiong, and Harumi Yokokawa, “Sulfur Poisoning on SOFC Ni Anodes: Thermodynamic Analyses within Local Equilibrium Anode Reaction Model,” J. Electrochem. Soc., 157(6), B802-B813 (2010) doi:10.1149/1.3362896
3.	Teruhisa Horita, Yueping Xiong, Haruo Kishimoto, Katsuhiko Yamaji, Manuel E. Brito and Harumi Yokokawa, “Chromium Poisoning and Degradation at (La,Sr)MnO3 and (La,Sr)FeO3 Cathodes for Solid Oxide Fuel Cells,” J. Electrochem. Soc. 157(5), B614-B620 (2010) doi:10.1149/1.3322103
4.	Yue-Ping Xiong, Haruo Kishimoto, Katsuhiko Yamaji, Masashi Yoshinaga, Teruhisa Horita, Manuel E. Brito, and Harumi Yokokawa, “Electronic Conductivity of CeO2: Its Dependence on Oxygen Partial Pressure and Temperature,” Electrochemical and Solid- State Letters 13(3), B21-B24 (2010) doi:10.1149/1.3276731
5.	Harumi Yokokawa, Teruhisa Horita, Katsuhiko Yamaji, Haruo Kishimoto, and Manuel E. Brito, “Materials Chemical Point of View for Durability Issues in Solid Oxide Fuel Cells,” Journal of the Korean Ceramic Society 47(1), 26-38 (2010) doi:10.4191/KCERS.2010.47.1.026

2009

1.	Teruhisa Horita, YuePing Xiong, Masashi Yoshinaga, Harui Kishimoto, Katsuhiko Yamaji, Manuel E. Brito, and Harumi Yokokawa, “Determination of Chromium Concentration in Solid Oxide Fuel Cell Cathodes: (La,Sr)MnO3 and (La,Sr)FeO3,” Electrochemic. Solid State Letters. 12(10) B146-B149 (2009) doi:10.1149/1.3193701
2.	Teruhisa Horita, Haruo Kishimoto, Katsuhiko Yamaji, Manuel E. Brito, Yueping Xiong, Harumi Yokokawa, "Anomalous oxide scale formation under exposure of sodium containing gases for solid oxide fuel cell alloy interconnects," J. Power Sources 193(1), 180-184 (2009) doi:10.1016/j.powsour.2008.12.057
3.	Teruhisa Horita, Haruo Kishimoto, Katsuhiko Yamaji, Manuel E. Brito, YuePing Xiong, Harumi Yokokawa, Yuichi Hori, Itaru Miyachi, “Effects of impurities on the degradation and long-term stability for solid oxide fuel cells,” J. Power Sources, 193(1), 194-198 (2009) doi:10.1016/j.powsour.2008.10.127
4.	M. Williams, T. Horita, K. Yamaji, N. Sakai, and H. Yokokawa, “Basic Electrochemical Thermodynamic Studies of Fuel Cells Using MALT2,” J. Fuel Cell Science and Technology  6(2), Special Section on the 2nd European Fuel Cell Technology and Applications Conference, paper numb. 021301 (6 pages) (2009) doi:10.1115/1.3080545
5.	M. Williams, T. Horita, K. Yamaji, N. Sakai, and H. Yokokawa, “Basic Electrochemical Thermodynamic Studies of Fuel Cells and Fuel Cell Hybrids,” J. Fuel Cell Science and Technology  6(2), Special Section on the 2nd European Fuel Cell Technology and Applications Conference, paper numb. 021303 (4 pages) (2009) doi:10.1115/1.3080546
6.	YuePing Xiong, Katsuhiko Yamaji, Teruhisa Horita, Harumi Yokokawa, Jun Akikusa, Hiroyuki Eto, and Toru Inagaki, “Sulfur Poisoning of SOFC Cathodes,” J. Electrochem. Soc., 156(5), B588-B592 (2009) doi:10.1149/1.3090169
7.	Hideki Maekawa, Kotaro Kawata, Yue Ping Xiong, Natsuko Sakai, Harumi Yokokawa, “Quantification of local oxygen defects around Yttrium ions for yttria-doped ceria-zirconia ternary system,” Solid State Ionics 180(4-5), 314-319 (2009) doi:10.1016/j.ssi.20.01.015
8.	M. Williams, K. Yamaji, T. Horita, N. Sakai, and H. Yokokawa, “Exergetic Studies of Intermediate-Temperature, Solid Oxide Fuel Cell Electrolytes,” J. Electrochem. Soc., 156(4), B546-B551 (2009) doi:10.1149/1.3072897
9.	Toyoki Okumura, Tomokazu Fukutsuka, Yoshiharu Uchimoto, Natsuko Sakai, Katsuhiko Yamaji, Harumi Yokokawa, “Determination of lithium ion diffusion in lithium-manganese-oxide-spinel thin films by secondary-ion mass spectrometry,” J. Power Sources 189(1), 643-645 (2009) doi:10.1016/j.powsour.2008.09.043
10.	YuePing Xiong, Katsuhiko Yamaji, Haruo Kishimoto, Manuel E. Brito, Teruhisa Horita, and Harumi Yokokawa, “Deposition of Platinum Particles at LSM/ScSZ/Air Three-Phase Boundaries Using a Platinum Current Collector,”Electrochem. Solid State Lett. 12(3), B31-B33 (2009) doi:10.1149/1.3058997
11.	Haruo Kishimoto, Katsuhiko Yamaji, Teruhisa Horita, Yue-Ping Xiong, Manuel E. Brito, M. Yoshinaga and Harumi Yokokawa, “Reaction Process in the Ni-SDC Cermet Anode,” Electrochemistry 77(2), 190-194 (2009) doi:10.5796/electrochemistry.77.190
12.	Haruo Kishimoto, Natsuko Sakai, Katsuhiko Yamaji, Teruhisa Horita, Yue-Ping Xiong, Manuel E. Brito, and Harumi Yokokawa, “Destabilization of cubic stabilized zirconia electrolyte induced by boron oxide under reducing atmosphere,” J. Mater. Sci. 44(2), 639-646 (2009) doi:10.1007/s10853-008-3061-8

2008

1.	Yueping Xiong, Katsuhiko Yamaji, Haruo Kishimoto, Manuel E. Brito, Teruhisa Horita and Harumi Yokokawa, “Electronic Conductivity of 10-40 mol% YO1.5-Doped CeO2,” J. Electrochem. Soc., 155(12), B1300-B1306 (2008) doi:10.1149/1.2990729
2.	Teruhisa Horita, Katsuhiko Yamaji, Haumi Yokokawa, Akihiro Toji, Toshihiro Uehara, Kei Ogasawara, Harukuni Kameda, Yoshio Matsuzaki, Satoshi Yamashita, “Effects of Si and Al concentrations in Fe-Cr alloy on the formation of oxide scales in H2-H2O,” International Journal of Hydrogen Energy 33(21), 6308-6315 (2008) doi:10.1016/j.ijhydene.2008.07.118
3.	Teruhisa Horita, Haruo Kishimoto, Katsuhiko Yamaji, Yueping Xiong, Manuel E. Brito, Harumi Yokokawa, Yoshitaka Baba, Kei Ogasawara, Harukuni Kameda, Yoshio Matsuzaki, Satoshi Yamashita, Nobutaka Yasuda, Toshihiro Uehara, “Diffusion of oxygen in the scales of Fe-Cr alloys interconnects and oxide coating layer for solid oxide fuel cells,” Solid State Ionics 179(38), 2216-2221 (2008) doi:10.1016/j.ssi.2008.07.02
4.	Haruo Kishimoto, Natsuko Sakai, Teruhisa Horita, Katsuhiko Yamaji, Yue-Ping Xiong, Manuel E. Brito and Harumi Yokokawa, "Rapid phase transformation of zirconia in the Ni-ScSZ cermet anode under reducing condition," Solid State Ionics 179(35-36), 2037-2041 (2008) doi:10.1016/j.ssi.2008.06.024
5.	Haruo Kishimoto, Natsuko Sakai, Teruhisa Horita, Katsuhiko Yamaji, Manuel E. Brito, Harumi Yokokawa, “Interface reaction and cation transport behavior between perovskite oxides of La1-xSrxCoO3 and La0.8Sr0.2FeO3,” Solid State Ionics 179(27-32), 1338-1342 (2008) doi:10.1016/j.ssi.2007.12.009
6.	Haruo Kishimoto, Natsuko Sakai, Katsuhiko Yamaji, Teruhisa Horita, Manuel E. Brito, Harumi Yokokawa, Koji Amezawa, Yoshiharu Uchimoto, “Anomalous transport property at surface and interface of metal/rare earth doped ceria,” Solid State Ionics 179(27-32), 1343-1346 (2008) doi:10.1016/j.ssi.2008.03.04
7.	Katsuhiko Yamaji, Haruo Kishimoto, Yueping Xiong, Teruhisa Horita, Natsuko Sakai, Manuel E. Brito, Harumi Yokokawa, “Catalytic methane decomposition on nickel based model anodes of SOFCs fabricated on various oxide ion conductors ,” Solid State Ionics 179(27-32), 1526-1530 (2008) doi:10.1016/j.ssi.2008.01.075
8.	Teruhisa Horita, Haruo Kishimoto, Katsuhiko Yamaji, Yueping Xiong, Natsuko Sakai, Manuel E. Brito, Harumi Yokokawa, “Effect of grain boundaries on the formation of oxide scale in Fe-Cr alloy for SOFCs,” Solid State Ionics 179(27-32), 1320-1324 (2008) doi:10.1016/j.ssi.2008.01.09
9.	M. Sase, F. Hermes, K. Yashiro, K. Sato, J. Mizusaki, T. Kawada, N. Sakai, and H. Yokokawa, “Enhancement of Oxygen Surface Exchange at the Hetero-interface of (La,Sr)CoO3/(La,Sr)2CoO4 with PLD-Layered Films,” J. Electrochem. Soc., 155(8), B793-797 (2008) doi:10.1149/1.2928612
10.	H. Yokokawa, H. Tu, B. Iwanschitz, A. Mai, “Fundamental Mechanism Limiting Solid Oxide Fuel Cell Durability,” J. Power Sources 182, 400-412 (2008) 　 doi:10.1016/j.jpowsour.2008.02.016
11.	Teruhisa Horita, Haruo Kishimoto, Katsuhiko Yamaji, Natsuko Sakai, Yupi Xiong, Maunel E. Brito, Harumi Yokokawa, “Anomalous oxidation of ferritic interconnects in solid oxide fuel cells,” Internat. J. Hydrogen, 33(14), 3962-3969 (2008) doi:10.101/j.ijhydene.2007.07.058
12.	Haruo Kishimoto, Natsuko Sakai, Katsuhiko Yamaji, Teruhisa Horita, Manuel E. Brito, Harumi Yokokawa, Koji Amezawa, Yoshiharu Uchimoto, “Visualization of oxygen transport behavior at metal electrode/oxide electrolyte interface using secondary ion mass spectrometry,” Solid State Ionics 179(9-10), 347-354 (2008) doi:10.1016/j.ssi.2008.02.029
13.	L. Dieterle, D. Bach, R. Schneider, H. Stoermer, D. Gerthsen, U. Guntow, E. Ivers-Tiffee, A. Weber, C. Peters, H. Yokokawa, “Structural and chemical properties of nanocrystalline La0.5Sr0.5CoO3-δ layers on yttria-stabilized zirconia analyzed by transmission electron microscopy,” J. Mater. Sci. 43(9), 3135-3143 (2008) doi:10.1007/s10853-008-2502-8
14.	Harumi Yokokawa, Hatuko Sakai, Teruhisa Horita, Katsuhiko Yamaji, M. E. Brito, Haruo Kishimoto, “Thermodynamic and kinetic considerations on degradations in solid oxide fuel cell cathodes,” J. Alloys Comp. 452(1), 41-47 (2008) doi:10.1016/j.jallcom.2006.12.150
15.	Teruhisa Horita, Haruo Kishimoto, Katsuhiko Yamaji, YuePing Xiong, Natsuko Sakai, Manuel E. Brito, Harumi Yokokawa,  “Evaluation of Laves-Phase Forming Fe-Cr Alloy for SOFC Interconnects in Reducing Atmosphere,” J. Power Sources 176(1), 54-61 (2008) doi:10.1016/j.jpowsour.2007.10.041
16.	Haruo Kishimoto, Katsuhiko Yamaji, Yue-Ping Xiong, Teruhisa Horita, Natsuko Sakai, Manuel E. Brito, Harumi Yokokawa, “Effect of Ceria Components on Anode Performance of Ni-base Anode in Hydrocarbon Fueled SOFC,” IEEJ Trans. 128(5), 333-338 (2008) doi:10.1541/ieejfms.128.333
17.	Kishimoto H., Yamaji K., Brito M. E., Horita T., Yokokawa H. “Generalized Ellingham diagrams for utilization in solid oxide fuel cells,” Journal of Mining and Metallurgy (B), 44(1), 39-48 (2008) doi:10.2298/JMMB0801039K
18.	H. Kishimoto, N. Sakai, K. Yamaji, T. Horita, M. E. Brito and H. Yokokawa, "Effect of Temperature and Applied Potential on Oxygen Transport Paths around Gold / Ion Conducting Oxides Hetero Interfaces," ECS Transaction 13(26), 105-114 (2008) doi:10.1149/1.3050382

2007

1.	Natsuko Sakai, Haruo Kishimoto, Katsuhiko Yamaji, Teruhisa Horita, Manuel E. Brito and Harumi Yokokawa, “Interface Stability of Perovskite Cathodes and Rare-Earth Doped Ceria Interlayer in SOFCs,” J. Electrochem. Soc. 154(12), B1331-B1337 (2007) doi:10.1149/1.2789801
2.	Haruo Kishimoto, Katsuhiko Yamaji, Teruhisa Horita, Yueping Xiong, Natsuko Sakai, Manuel. E. Brito, Harumi Yokokawa, “Feasibility of liquid hydrocarbon fuels for SOFC with Ni-ScSZ anode,” J. Power Sources 172(1), 67-71 (2007) doi:10.1016/j.jpowsour.2007.04.042
3.	Haruo Kishimoto, Natsuko Sakai, Teruhisa Horita, Katsuhiko Yamaji, Manuel E. Brito, Harumi Yokokawa, “Cation transport behavior in SOFC cathode materials of La0.8Sr0.2CoO3 and La0.8Sr0.2FeO3 with perovskite structure,” Solid State Ionics 178(21-22), 1317-1325 (2007) doi:10.1016/j.ssi.2007.07.001
4.	Kei Ogasawara, Harukuni Kameda, Yoshio Matsuzaki, Teruhiro Sakurai, Toshihiro Uehara, Akihiro Toji, Natsuko Sakai, Katsuhiko Yamaji, Teruhisa Horita snf Harumi Yokokawa, “Chemical Stability of Ferritic Alloy Interconnect for SOFCs,” J. Electrochem. Soc. 154(7) B657-B663 (2007) doi:10.1149/1.2735919
5.	Ivar Waernhus, Natsuko Sakai, Harumi Yokokawa, or. Grande, Mari-Ann Einarsrud, Kjell Wiik, “Cation diffusion in La1-xSrxFeO3-δ, x=0 and 0.1 measured by SIMS,” Solid State Ionics 178(13-14), 907-914 (2007) doi:10.1016/j.ssi.2007.03.006
6.	Weiqun Chen, Alexandra Navrotsky, Yue Ping Xiong and Harumi Yokokawa, “Energetics of Cerium-Zirconium Substitution in the xCe0.8Y0.2O1.9-(1-x)Zr0.8Y0.2O1.9 system,” J. Am. Ceram. Soc., 90(2), 584-589 (2007) doi:10.1111/j.1551-2916.2006.01427.x
7.	Mark C. Williams, Teruhisa Horita, Katsuhiko Yamaji, Harumi Yokokawa, ”An Application of Solid Particles in Fuel Cell Technology,” Kona Powder and Particle Journal 25, 153-161 (2007) doi:10.14356/kona.2007014
8.	Haruo Kishimoto, YuePing Xiong, Katsuhiko Yamaji, Teruhisa Horita, Natsuko Sakai, Manuel E. Brito, Harumi Yokokawa, “Stability of Ni Base Anode for Direct Hydrocarbon SOFCs,” J. Chem. Eng. Japan, 40(13), 1178-1182 (2007) doi:10.1252/jcej.07WE157
9.	Alexandra Navrotsky, Petra Simoncic, Harumi Yokokawa, Weiqun Chen and Theresa Lee, “Calorimetric measurements of energetics of defect interactions in fluorite oxides,” Faraday Discuss., 134, 171-180 (2007) doi:10.1039/B604014B
10.	Teruhisa Horita, Haruo Kishimoto, Katsuhiko Yamaji, Yue-Pi Xiong, Natsuko Sakai, Manuel E. Brito, Harumi Yokokawa, “Stability of Fe-Cr Alloys in SOFC Fuel Atmosphere,” J. Chem. Eng. Japan, 40(13), 1172-1177 (2007) doi:10.1252/jcej.07WE149

2006

1.	Yueping Xiong, Katsuhiko Yamaji, Natsuko Sakai, Haruo Kishimoto, Teruhisa Horita, Manuel E. Brito and Harumi Yokokawa, “Electronic Conductivity of ZrO2-CeO2-YO1.5 Solid Solutions in a Wide Range of Temperature and Oxygen Partial Pressure,” J. Electrochem. Soc., 153(12), A2198-A2204 (2006) doi:10.1149/1.2354462
2.	Teruhisa Horita, Haruo Kishimoto, Katsuhiko Yamaji, Natsuko Sakai, Yueping Xiong, Manuel E. Brito, Harumi Yokokawa, ”Active parts for CH4 decomposition and electrochemical oxidation at metal/oxide interface by isotope labeling-secondary ion mass spectrometry,” Solid State Ionics 177(35-36), 3179-3185 (2006) doi:10.1016/j.ssi.2006.07.051
3.	Tatsuya Kawada, Maya Sase, Masakazu Kudo, Keiji Yashiro, Kazuhisa Sato, Junichiro Mizusaki, Natsuko Sakai, Teruhisa Horita, Katsuhiko Yamaji, Harumi Yokokawa, “Microscopic observation of oxygen reaction pathway on high temperature electrode materials,” Solid State Ionics 177(35-36), 3081-3086 (2006) doi:10.1016/j.ssi.2006.08.005
4.	H. Yokokawa, T. Horita, N. Sakai, J. Yamaji, M. E. Brito, Y.-P. Xiong, H. Kishimoto, “Thermodynamic considerations on Cr poisoning in SOFC cathodes,” Solid State Ionics 177(35-36), 3193-3198 (2006) doi:10.1016/j.ssi.2006.07.055
5.	Teruhisa Horita, Haruo Kishimoto, Katsuhiko Yamaji, N. Sakai, Y.P. Xiong, M. E. Brito, H. Yokokawa, ”Electrochemical Active Parts at Electrode/Electrolyte Interfaces for Solid Oxide Fuel Cells (SOFCs) by Isotope Labeling-SIMS Analysis,” Advances in Science and Technology 45, 1857-1863 (2006) doi:10.4028/www.scientific.net/AST.45.1857
6.	Teruhisa Horita, Haruo Kishimoto, Katsuhiko Yamaji, Yueping Xiong, Natsuko Sakai, Manuel E. Brito and Harumi Yokokawa, “Oxide Scale Formation and Stability of Fe-Cr Alloy Interconnects under Dual Atmospheres and Current Flow Conditions for SOFCs,” .J. Electrochem. Soc. 153(11), A2007-A2012 (2006) doi:10.1149/1.2335944
7.	Natsuko Sakai, Yue Ping Xiong, Katsuhiko Yamaji, Harumi Yokokawa, Yoshitake Terashi, Hiroaki Seno, “Anomalous conductivity and microstructure in gadolinium doped ceria prepared from nano-sized powder,” Solid State Ionics 177(26-32), 2503-2507 (2006) doi:10.1016/j.ssi.2006.03.049
8.	H. Yokokawa, T. Horita, N. Sakai, K. Yamaji, M. E. Brito, Y.-P. Xiong, H. Kishimoto, “Ceria: Relation among thermodynamic, electronic hole and proton properties,” Solid State Ionics 177(19-25), 1705-1714 (2006) doi:10.1016/j.ssi.2006.03.006
9.	Natsuko Sakai, Teruhisa Horita, Katsuhiko Yamaji, Yue Ping Xiong, Haruo Kishimoto, Manuel E. Brito, Harumi Yokokawa, “Material transport and degradation behavior of SOFC interconnects,” Solid State Ionics 177(19-25), 1933-1939 (2006) doi:10.1016/j.ssi.2006.04.044
10.	Teruhisa Horita, Haruo Kishimoto, Katsuhiko Yamaji, Yueping Xiong, Natsuko Sakai, Manuel E. Brito, Harumi Yokokawa, “Materials and reaction mechanisms at anode/electrolyte interfaces for SOFCs,”  Solid State Ionics 177(19-25), 1941-1948 (2006) doi:10.1016/j.ssi.2006.01.013
11.	Katsuhiko Yamaji, Haruo Kishimoto, Yueping Xiong, Teruhisa Horita, Natsuko Sakai, Manuel E. Brito, Harumi Yokokawa, “Feasibility of Ni-based cermet anode for direct HC SOFCs: Fueling ethane at a low S/C condition to Ni-ScSZ anode-supported cell,” J. Power Sources 159(2), 885-890 (2006) doi:10.1016/j.jpowsour.2005.12.087
12.	N. Sakai, K. Yamaji, T. Horita, H. Kishimoto, M. E. Brito, H. Yokokawa, Y. Uchimoto, ”Application of SIMS analyses on oxygen transport in SOFC materials,” Applied Surface Science  252(19), 7045-7047 (2006) doi:10.1016/j.apsusc.2006.02.187
13.	Teruhisa Horita, Haruo Kishimoto, Katsuhiko Yamaji, Natsuko Sakai, Yueping Xiong, Manuel E. Brito, Harumi Yokokawa, ”Effects of silicon concentration in SOFC alloy interconnects on the formation of oxide scales in hydrocarbon fuels,” J. Power Sources 157(2), 681-687 (2006) doi:10.1016/j.jpowsour.2006.01.055
14.	Haruo Kishimoto, Katsuhiko Yamaji, Teruhisa Horita, Yue-Ping Xiong, Natsuko Sakai, Manuel E. Brito and Harumi Yokokawa, “Reaction Process in the Ni-ScSZ Anode for Hydrocarbon Fueled SOFCs,” J. Electrochem. Soc. 153(6), A982-A988 (2006) doi:10.1149/1.2186790
15.	Teruhisa Horita, Yueping Xiong, Haruo Kishimoto, Katsuhiko Yamaji, Natsuko Sakai, Manuel E. Brito, and Harumi Yokokawa, “Surface Analyses and depth profiles of oxide scales formed on alloy surface,” Surface and Interface Analysis 38(4), 282-286 (2006) doi:10.1002/sia.2151
16.	Natsuko Sakai, Teruhisa Horita, Katsuhiko Yamaji, Manuel E. Brito, Harumi Yokokawa, Akira Kawakami, Satoshi Matsuoka, Naoki Watanabe and Akira Ueno, “Interface Stability among Solid Oxide Fuel Cell Materials with Perovskite Structures,” J. Electrochem. Soc. 153(3), A621-A625 (2006) doi:10.1149/1.2165770
17.	N. Sakai, X. P. Xiong, K. Yamaji, H. Kishimoto, T. Horita, M. E. Brito, H. Yokokawa, “Transport properties of ceria-zirconia-yttria solid solutions {(CeO2)x(ZrO2)1-x}1-y(YO1.5)y (x=0-1,y=0.2, 0.35),” J. Alloys Compds 408-412, 503-506 (2006) doi:10.1016/j.jallcom.2004.12.088

2005

1.	Teruhisa Horita, Katsuhiko Yamaji, Tohru Kato, Haruo Kishimoto, YuePing Xiong, Natsuko Sakai, Manuel E. Brito, Harumi Yokokawa, “Imaging of CH4 decomposition around Ni/YSZ interfaces under anodic polarization,” J. Power Source 145(2), 133-138 (2005) doi:10.1016/j.jpowsour.2004.12.075
2.	Harumi Yokokawa, Katsuhiko Yamaji, Teruhisa Horita, Natsuko Sakai, Manuel E. Brito, “Utilization of Generalized Chemical Potential Diagrams for Multi-Component Systems in Understanding Interface Stability,” Materials Science Forum 502, 111-116 (2005) doi:10.4028/www.scientific.net/MSF.502.111
3.	Hitoshi Kawaji, Yusuke Yokobayashi, Tooru Atake, Takeo Tojo, Natsuko Sakai, Harumi Yokokawa, “Heat capacity of Ce0.8Y0.2O1.9 and the effects of dissolution of water/hydrogen,” thermochimica acta 431(1-2), 49-52 (2005) doi:10.1016/j.tca.2005.01.035
4.	Haruo Kishimoto, Teruhisa Horita, Katsuhiko Yamaji, YuePing Xiong, Natsuko Sakai, Manuel E. Brito and Harumi Yokokawa, “Feasibility of n-Dodecane Fuel for Solid Oxide Fuel Cell with Ni-ScSZ Anode,” J. Electrochem. Soc. 152(3), A532-A538 (2005) doi:10.1149/1.1854092
5.	Natsuko Sakai, Teruhisa Horita, Yue Pi Xiong, Katsuhiko Yamaji, Haruo Kishimoto, Manuel E. Brito, Harumi Yokokawa, Toshio Maruyama, “Structure and transport property of manganese-chromium-iron oxide as a main compound in oxide scales of alloy interconnects for SOFCs,” Solid State Ionics 176(7-8), 681-686 (2005) doi:10.1016/j.ssi.2004.11.012

2004

1.	Shogo Miyoshi, Shigenori Onuma, Atsushi Kaimai, Hiroshige Matsumoto, Keiji Yashiro, Tatsuya Kawada, Junichiro Mizusaki, Harumi Yokokawa, “Chemical stability of La1-xSrxCrO3 in oxidizing atmospheres,” J. Solid State Chem. 177(11), 4112-4118 (2004) doi:10.1016/j.jssc.2004.04.054
2.	N. Sakai, K. Yamaji, T. Horita, H. Kishimoto, Y.P. Xiong, H. Yokokawa, ”Significant effect of water on surface reaction and related electrochemical properties of mixed conducting oxides,” Solid State Ionics 175(1-4), 387-391 (2004) doi:/10.1016/j.ssi.2003.12.046
3.	Ivar Waernhus, Natsuko Sakai, Harumi Yokokawa, Tor Grande, Mari-Ann Einarsrud, Kjell Wiik, “Mass transport in La1-xSrxFeO3(x=0 and 0.1) measured by SIMS,” Solid State Ionics 175(1), 69-71 (2004) doi:10.1016/j.ssi.2004.09.014
4.	Haruo Kishimoto, Teruhisa Horita, Katsuhiko Yamaji, YuePing Xiong, Natsuko Sakai, Harumi Yokokawa, “Attempt of utilizing liquid fuels with Ni-ScSZ anode in SOFCs,” Solid State Ionics 175(1-4), 107-111 (2004) doi:10.1016/j.ssi.2004.09.042
5.	Katsuhiko Yamaji, Haruo Kishimoto, YuePing Xiong, Teruhisa Horita, Natsuko Sakai, Harumi Yokokawa, “Performance of anode-supported SOFCs fabricated with EPD techniques,” Solid State Ionics 175(1), 165-169 (2004) doi:10.1016/j.ssi.2004.09.032
6.	Teruhisa Horita, Katsuhiko Yamaji, YuePing Xiong, Haruo Kishimoto, Natsuko Sakai, Harumi Yokokawa, “Oxide Scale formation of Fe-Cr alloys and oxygen diffusion in the scale,” Solid State Ionics 175(1), 157-163 (2004) doi:10.1016/j.ssi.2004.09.045
7.	Teruhisa Horita, YuePing Xiong, Katsuhiko Yamaji, Haruo Kishimoto, Natsuko Sakai, Manuel E. Brito, Harumi Yokokawa, “Imaging of mass transports around the oxide scale/Fe-Cr alloy interfaces,” Solid State Ionics 174(1-4), 41-48 (2004) doi:10.1016/j.ssi.2004.07.040
8.	Natsuko Sakai, Katsuhiko Yamaji, Teruhisa Horita, Yue Ping Xiong, Haruo Kishimoto, Manuel E. Brito, Harumi Yokokawa, “Effect of water on electrochemical oxygen reduction at the interface between fluorite-type oxide-ion conductors and Various types of electrodes,” Solid State Ionics 174(1-4), 103-109 (2004) doi:10.1016/j.ssi.2004.07.027
9.	Shigenori Onuma, Keiji Yashiro, Shogo Miyoshi, Atsushi Kaimai, Hiroshige Matsumoto, Yutaka Nigara, Tetsuya Kawada, Junichiro Mizusaki, Kenichi Kawamura, Natsuko Sakai, Harumi Yokokawa, “Oxygen nonstoichiometry of the perovskite-type oxide La1-xCaxCrO3-δ (x=0.1, 0.2, 0.3),” Solid State Ionics 174(1-4), 287-293 (2004) doi:10.1016/j.ssi.2004.07.037
10.	H. Yokokawa, T. Horita, N. Sakai, K. Yamaji, M. E. Brito, Y. -P. Xiong, H. Kishimoto, “Protons in ceria and their roles in SOFC electrode reactions from thermodynamic and SIMS analyses,” Solid State Ionics 174(1-4), 205-221 (2004) doi:10.1016/j.ssi.2004.05.030
11.	Taro Shimonosono, Yoshihiro Hirata, Yuka Ehira, Soichiro Sameshima, Teruhisa Horita, Harumi Yokokawa, “Electronic conductivity measurement of Sm- and La-doped ceria ceramics by Hebb-Wagner method,” Solid State Ionics 174(1-4), 27-33 (2004) doi:10.1016/j.ssi.2004.07.025
12.	Masayuki Chikamatsu, Shuichi Nagamatsu, Tetsuya Tajima, Yuji Yoshida, Natsuko Sakai, Harumi Yokokawa, Kazuhiro Saito, Kiyoshi Yase, “C60 thin-film transistors with low work-function metal electrodes,” Appl. Phys. Letters 85, 2396-2398 (2004) doi:10.1063/1.1796530
13.	N. Sakai, K. Yamaji, Y.P. Xiong, H. Kishimoto, T. Horita, H. Yokokawa, “Interaction between Water and Ceria-Zirconia-Yttria Solid Solutions,” J. Electroceramics 13(1-3), 677-682 (2004) doi:10.1007/s10832-004-5175-y
14.	Teruhisa Horita, Katsuhiko Yamaji, Tohru Kato, Natsuko Sakai, Harumi Yokokawa, “Design of metal/oxide interfaces for the direct introduction of hydrocarbons into SOFCs,” J. Power Sources 131(1-2), 299-303 (2004) doi:10.1016/j.jpowsour.2003.10.018
15.	Teruhisa Horita, Katsuhiko Yamaji, Tohru Kato, Natsuko Sakai, Harumi Yokokawa, “Imaging of labeled gas movements at the SOFC electrode/electrolyte interfaces,” Solid State Ionics 169(1-4), 105-113 (2004) doi:10.1016/j.ssi.2003.05.003
16.	YuePing Xiong, Katsuhiko Yamaji, Teruhisa Horita, Natsuko Sakai and Harumi Yokokawa, “Hole and Electron Conductivities of 20 mol %-REO1.5 Doped CeO2 (RE=Yb, Y, Gd, Sm, Nd, La),” J. Electrochem. Soc. 151(3), A407-A412 (2004) doi:10.1149/1.1646149
17.	H. Negishi, K. Yamaji, N. Sakai, T. Horita, H. Yanagishita, H. Yokokawa, “Electrophoretic deposition of YSZ powders for solid oxide fuel cells,” J. Mater. Sci. 39(3), 833-838 (2004) doi:10.1023/B:JMSC.0000012911.86185.13

2003

1.	Jong-Hee Kim, Rak-Hyun Song, Keun-Suk Song, Sang-Hoon Hyun, Dong Ryul Shin, Harumi Yokokawa, “Fabrication and characterization of anode-supported flat-tube solid oxide fuel cells,” J. Power Sources 122(2), 138-143 (2003) doi:10.1016/S0378-7753(03)00431-2
2.	Natsuko Sakai, Katsuhiko Yamaji, Teruhisa Horita, Yue Ping Xiong, Haruo Kishimoto, Harumi Yokokawa, “Effect of Water on Oxygen Transport Properties on Electrolyte Surface in SOFCs,” J. Electrochem. Soc. 150(6), A689-A694 (2003) doi:10.1149/1.1568938
3.	Teruhisa Horita, YuePing Xiong, Katsuhiko Yamaji, Natsuko Sakai, Harumi Yokokawa, “Stability of Fe-Cr alloy interconnects under CH4-H2O atmosphere for SOFCs,” J. Power Sources 118(1-2), 35-43 (2003) doi:10.1016/S0378-7753(03)00058-2
4.	Teruhisa Horita, Yueping Xiong, Katsuhiko Yamaji, Natsuko Sakai and Harumi Yokokawa, “Evaluation of Fe-Cr Alloys as Interconnects for Reduced Operation Temperature Solid Oxide Fuel Cells,” J. Electrochem. Soc. 150(3), A243-A248 (2003) doi:10.1149/1.1539498
5.	Shigenori Onuma, Shogo Miyoshi, Keiji Yashiro, Atsushi Kaimai, Kenichi Kawamura, Yutaka Nigara, Tatsuya Kawada, Junichiro Mizusaki, Natsuko Sakai, Harumi Yokokawa, “Phase stability of La1-xCaxCrO3-δ in oxidizing atmosphere,” J. Solid State Chem. 170(1), 68-74 (2003) doi:10.1016/S0022-4596(02)00024-5
6.	Teruhisa Horita, Katsuhiko Yamaji, Natsuko Sakai, YuePing Xiong, Tohru Kato, Harumi Yokokawa, Tatsuya Kawada, “Determination of proton and oxygen movements in solid oxides by the tracer gases exchange technique and secondary ion mass spectrometry,” Applied Surface Science 203-204, 634-638 (2003) doi:10.1016/S0169-4332(02)00781-X
7.	Natsuko Sakai, Katsuhiko Yamaji, Teruhisa Horita, Haruo Kishimoto, Yue-Ping Xiong and Harumi Yokokawa, “Effect of water vapour on oxygen exchange kinetics of ceria and zirconia solid electrolytes,” Phys. Chem. Chem. Phys. 5, 2253-2256 (2003) doi:10.1039/B300227F

2002

1.	Teruhisa Horita, Tatsuro Tsunoda, Katsuhiko Yamaji, Natsuko Sakai, Tohru Kato, Harumi Yokokawa, “Microstructures and Oxygen Diffusion at the LaMnO3 film/Yttria-Stabilized Zirconia Interface,” Solid State Ionics 152-153, 439-446 (2002) doi:10.1016/S0167-2738(02)00367-3
2.	Katsuhiko Yamaji, Teruhisa Horita, Natsuko Sakai, Harumi Yokokawa, “Comparison between La0.9Ba0.1Ga0.8Mg0.2O2.85 and La0.9Sr0.1Ga0.8Mg0.2O2.85 as SOFCs Electrolytes,” Solid State Ionics 152-153, 517-523 (2002) doi:10.1016/S0167-2738(02)00352-1
3.	K. Yashiro, S. Onuma, A. Kaimai, Y. Nigara, T. Kawada, J. Mizusaki, K. Kawamura, T. Horita, H. Yokokawa, “Mass transport properties of Ce0.9Gd0.1O2-δ at the surface and in the bulk,” Solid State Ionics 152-153, 469-476 (2002) doi:10.1016/S0167-2738(02)00375-2
4.	YuePing Xiong, Katsuhiko Yamaji, Teruhisa Horita, Natsuko Sakai and Harumi Yokokawa, “Electronic conductivity of 20 mol % YO1.5 doped CeO2,” J. Electrochem. Soc. 149(11), E450-E454 (2002) doi:10.1149/1.1513560
5.	Harumi Yokokawa, Sshigeru Yamauchi, Takafumi Matsumoto, “Thermodynamic Database MALT for Windows with gem and CHD,” CALPHAD 26(2), 155-166 (2002) doi:10.1016/S0364-5916(02)00032-9
6.	C. S. Montross, H. Yokokawa, M. Dokiya, “Thermal stresses in planar solid oxide fuel cells due to thermal expansion differences,” British Ceramic Transactions 101(3), 85-93 (2002) doi:10.1179/096797802225003956
7.	Teruhisa Horita, Katsuhiko Yamaji, Natsuko Sakai, YuePing Xiong, Tohru Kato, Harumi Yokokawa, Tatsuya Kawada, “Imaging of oxygen transport at SOFC cathode/electrolyte interfaces by a novel technique,” J. Power Sources, 106(1-2), 224-230 (2002) doi:10.1016/S0378-7753(01)01017-5
8.	Teruhisa Horita, Katsuhiko Yamaji, Natsuko Sakai, Yueping Xiong, Ha Yokokawa, Tatsuya Kawada, “Application of Novel SIMS Technique for Imaging the Active Sites of Oxygen Reduction at the SOFC Cathode/Electrolyte Interfaces,” Ionics 8(1-2), 108-117 (2002) doi:10.1007/BF02377760

2001

1.	YuePing Xiong, Katsuhiko Yamaji, Natsuko Sakai, Hideyuki Negishi, Teruhisa Horita and Harumi Yokokawa, “Electronic Conductivity of ZrO2-CeO2-YO1.5 Solid Solutions,” J. Electrochem. Soc. 148(12), E489-E492 (2001) doi:10.1149/1.1417977
2.	S. Rodewald, N. Sakai, K. Yamaji, H. Yokokawa, J. Fleig and J. Maier, “The Effect of the Oxygen Exchange at Electrodes on the High-Voltage Electrocoloration of Fe-Doped SrTiO3 Single Crystals: A Combined SIMS and Microelectrode Impedance Study,” J. Electroceramics 7(2), 95-105 (2001) doi:10.1023/B:JECR.0000027949.32661.9d
3.	Natsuko Sakai, Takuya Hashimoto, Tomoyuki Katsube, Katsuhiko Yamaji, Hideyuki Negishi, Teruhisa Horita, Harumi Yokokawa, Yue Ping Xiong, Megumi Nakagawa, Yoichi Takahashi, “Miscibility gap in CeO2-ZrO2-YO1.5 system as an electrode of solid oxide fuel cell,” Solid State Ionics, 143(2), 151-160 (2001) doi:10.1016/S0167-2738(01)00855-4
4.	Harumi Yokokawa, Natsuko Sakai, Teruhisa Horita, Katsuhiko Yamaji, YuePing Xiong, Takanori Otake, Hiroo Yugami, Tatsuya Kawada and Junichiro Mizusaki, “Phase Diagram Calculations of ZrO2-Based Ceramics with an Emphasis on the Reduction/Oxidation Equilibria of Cerium Ions in the ZrO2-YO1.5-CeO2-CeO1.5 System,” Journal of Phase Equilibria, 22(3), 331-338 (2001) doi:10.1361/105497101770338842
5.	Teruhisa Horita, Katsuhiko Yamaji, Natsuko Sakai, Harumi Yokokawa and Tohru Kato, “Oxygen Transport at the LaMnO3 film/YSZ Interface under Different Cathodic Overpotentials by Secondary Ion Mass Spectrometry,” J .Electrochem. Soc. 148(5), J25-J30 (2001) doi:10.1149/1.1359205
6.	Teruhisa Horita, Katsuhiko Yamaji, Natsuko Sakai, Harumi Yokokawa, Andre Weber and Ellen Ivers-Tiffee, “Electrode Reaction of La1-xSrxCoO3-d Cathodes on La0.8Sr0.2Ga0.8Mg0.2O3-y Electrolyte in Solid Oxide Fuel Cells,” J. Electrochem. Soc. 148(5), A456-A462 (2001) doi:10.1149/1.1362540
7.	Teruhisa Horita, Katsuhiko Yamaji, Natsuko Sakai, Harumi Yokokawa, Andre Weber, Ellen Ivers-Tiffee, “Oxygen Reduction Mechanism at Porous La1-xSrxCoO3-d Cathodes/La0.8Sr0.2Ga0.8Mg0.2O2.8 Electrolyte Interface for Solid Oxide Fuel Cells,” Electrochimica Acta, 46(12), 1837-1845 (2001) doi:10.1016/S0013-4686(00)00722-2
8.	Haruo Nishiyama, Masanobu Aizawa, Natsuko Sakai, Harumi Yokokawa, Tatsuya Kawada, Masayuki Dokiya, “Property of (La,Ca)CrO3 for interconnect in Solid Oxide Fuel Cell (Part 2), J. Ceram. Soc. Japan 109(1270), 527-534 (2001)(in Japanese) doi:10.2109/jcersj.109.1270_527
9.	RAK-HYUN SONG, KWANGS-SUN JEON, DONG RYUN SHIN, HAR YOKOKAWA, “Sintering and Oxidation Behaviors of LaCrO3-Dispersed Cr Alloy for Metallic Interconnector of Solid Oxide Fuel Cell,” Journal of Chemical Engineering of Japan, 34(2), 154-157 (2001) doi:10.1252/jcej.34.154

2000

1.	Harumi Yokokawa, Katsuhiko Yamaji, Teruhisa Horita, Natsuko Sakai, “A Convex Polyhedron Approach of Constructing Chemical Potential Diagrams for Multicomponent Systems,” CALPHAD, 24(4), 435-448 (2000) doi:10.1016/S0364-5916(01)00015-3
2.	Teruhisa Horita, Katsuhiko Yamaji, Hideaki Negishi, Natsuko Sakai, Harumi Yokokawa, Tohru Kato, “Oxygen transport at the interface of La0.92MnO3-x file / Y0.15Zr0.85O1.925 single crystal,” Solid State Ionics 136-137, 897-904 (2000) doi:10.1016/S0167-2738(00)00519-1
3.	Hitoshi Naito, Natsuko Sakai, Takanori Otake, Hiroo Yugami, Harumi Yokokawa, "Oxygen Transport Properties in ZrO2-CeO2-Y2O3 by SIMS Analyses," Solid State Ionics 135(1-4), 669-673 (2000) doi:10.1016/S0167-2738(00)00378-7
4.	Natsuko Sakai, Katsuhiko Yamaji, Teruhisa Horita, Hideyuki Negishi, Harumi Yokokawa, "Chromium Diffusion in Lanthanum Chromites," Solid State Ionics 135(1-4), 469-474 (2000) doi:10.1016/S0167-2738(00)00401-X
5.	Katsuhiko Yamaji, Hideyuki Negishi, Teruhisa Horita, Natsuko Sakai, Harumi Yokokawa, "Vaporization Process of Ga From Doped LaGaO3 Electrolytes in Reducing Atmosphere," Solid State Ionics 135(1-4), 389-396 (2000) doi:10.1016/S0167-2738(00)00474-4
6.	Natsuko Sakai, Katsuhiko Yamaji, Teruhisa Horita, Harumi Yokokawa, Tatsuya Kawada and Masayuki Dokiya, "Oxygen Transport Properties of La1-xCaxCrO3-δ as an Interconnect Material of a Solid Oxide Fuel Cell," J. Electrochem. Soc. 147(9), 3178-3182 (2000) doi:10.1149/1.1393880
7.	Teruhisa Horita, Katsuhiko Yamaji, Natsuko Sakai, Harumi Yokokawa, Andre Weber, Ellen Ivers-Tiffee, “Stability at La0.6Sr0.4CoO3-d cathode / La0.8Sr0.2Ga0.8Mg0.2O2.8 electrolyte interface under current flow for solid oxide fuel cells,” Solid State Ionics 133(3-4), 143-152 (2000) doi:10.1016/S0167-2738(00)00705-0
8.	Teruhisa Horita, Katsuhiko Yamaji, Hideyuki Negishi, Natsuko Sakai, Harumi Yokokawa, "Oxygen Chemical Diffusion at LaMnO3 Film/YSZ Under Cathodic Polarization by Secondary Ion Mass Spectrometry," Electrochemistry (Former Denki Kagaku) 68(6), 433-438 (2000) [PDF]
9.	Natsuko Sakai, Katsuhiko Yamaji, Hideyuki Negishi, Teruhisa Horita, Harumi Yokokawa, Yue Ping Xiong, anMichael B. Phillipps, "Interaction Between Water/Hydrogen and Oxide Ceramics," Electrochemistry (Former Denki Kagaku) 68(6), 499-503 (2000) [PDF]
10.	T. Kawada, T. Horita, N. Sakai, H. Yokokawa, M. Dokiya, J. Mizusaki "A Novel Technique for Imaging Electrochemical Reaction Sites on a Solid Oxide Electrolyte," Solid State Ionics 131(1-2), 199-210 (2000) doi:10.1016/S0167-2738(00)00634-2
11.	Hideyuki Negishi, Natsuko Sakai, Katsuhiko Yamaji, Teruhisa Horita and Harumi Yokokawa, "Application of Electrophoretic Deposition Technique to Solid Oxide Fuel Cells," J. Electrochem. Soc. 147(5), 1682-1687 (2000) doi:10.1149/1.1393418
12.	Teruhisa Horita, Katsuhiko Yamaji, Natsuko Sakai, Harumi Yokokawa, Tetsuya Kawada, Tohru Kato, “Oxygen reduction sites and diffusion paths at La0.9Sr0.1MnO3-x/yttria-stabilized zirconia interface for different cathodic overvoltages by secondary-ion mass spectrometry,” Solid State Ionics 127(1-2), 55-65 (2000) doi:10.1016/S0167-2738(99)00276-3
13.	T. Kawada, T. Horita, N. Sakai, H. Yokokawa, M. Dokiya, J. Mizusaki "A Novel Technique for Imaging Electrochemical Reaction Sites on a Solid Oxide Electrolyte," Solid State Ionics 131(1-2), 199-210 (2000) doi:10.1016/S0167-2738(00)00634-2

1999

1.	Harumi Yokokawa, Shigeru Yamauchi and Takafumi Matsumoto, "The Thermodynamic Database MALT," CALPHAD 23(3-4), 357-364 (1999) doi:10.1016/S0364-5916(00)00006-7
2.	Natsuko Sakai, Katsuhiko Yamaji, Teruhisa Horita, Harumi Yokokawa, Yoshihiro Hirata, Soichiro Sameshima, Yutaka Nigara and Junichiro Mizusaki, “Determination of hydrogen solubility in oxide ceramics by using SIMS analyses,” Solid State Ionics 125(1-4), 325-331 (1999) doi:10.1016/S0167-2738(99)00192-7
3.	Teruhisa Horita, Masahiko Ishikawa, Katsuhiko Yamaji, Natsuko Sakai, Harumi Yokokawa, Masayuki Dokiya, “Calcium tracer diffusion in (La,Ca)CrO3 by SIMS,” Solid State Ionics 124(3-4), 301-307 (1999) doi:10.1016/S0167-2738(99)00150-2
4.	T. Ishihara, H. Furutani, M. Honda, T. Yamada, T. Shibayama, T. Akbay, N. Sakai, H. Yokokawa, Y. Takita, “Improved Oxide Ion Conductivity in La0.8Sr0.2Ga0.8Mg0.2O3 by Doping Co,” Chemistry of Materials 11(8), 2081-2088 (1999) doi:10.1021/cm981145w
5.	Katsuhiko Yamaji, Teruhisa Horita, Masahiko Ishikawa, Natsuko Sakai, Harumi Yokokawa, “Chemical Stability of La0.9Sr0.1Ga0.8Mg0.2O2.85 Electrolyte in Reducing Atmosphere,” Solid State Ionics, 121(1), 217-224 (1999) doi:10.1016/S0167-2738(99)00039-9
6.	T. Kawada, K. Masuda, J. Suzuki, A. Kaimai, K. Kawamura, Y. Nigara, J. Mizusaki, H. Yugami, H. Arashi, N. Sakai, H. Yokokawa, "Oxygen Isotope Exchange with a Dense La0.6Sr0.4CoO3-δ Electrode on a Ce0.9Ca0.1O1.9 Electrolyte," Solid State Ionics 121(1-4), 271-279 (1999) doi:10.1016/S0167-2738(99)00046-6
7.	H. Yokokawa, “Generalized Chemical Potential Diagram and its Applications to Chemical Reactions at Interfaces between Dissimilar Materials,”  J. Phase Equilibria. 20(3), 258-287 (1999) doi:10.1361/105497199770335794
8.	Natsuko Sakai, Katsuhiko Yamaji, Teruhisa Horita, Harumi Yokokawa, Tatsuya Kawada, Masayuki Dokiya, Ken-ichi Hiwatashi, Akira Ueno and Masanobu Aizawa, “Determination of Oxygen Permeation Flux through La0.75Ca0.25CrO3-δ by Electrochemical Method,”  J. Electrochem. Soc. 146(4), 1341-1345 (1999) doi:10.1149/1.1391767
9.	Natsuko Sakai, Katsuhiko Yamaji, Teruhisa Horita, Masahiko Ishikawa, Harumi Yokokawa, Tatsuya Kawada, Masayuki Dokiya, “Investigation of Diffusion Mechanism in Lanthanum Chromites,” J. Mass Spectrom. Soc. Jpn 47(1), 32-37 (1999) doi:10.5702/massspec.47.32
10.	Natsuko Sakai, Tatsuo Tsunoda, Natsuo Fukumoto, Isao Kojima, Katsuhiko Yamaji, Teruhisa Horita, Masahiko Ishikawa, Harumi Yokokawa, Masayuki Dokiya, "TEM, XPS, SIMS Analyses on Grain Boundary of Lanthanum Chromites," J. Electroceramics 4(1), Supplement, 121-128 (1999) doi:10.1023/A:1009971028329

1998

1.	L. Bay, T. Horita, N. Sakai, M. Ishikawa, K. Yamaji, H. Yokokawa, “Hydrogen solubility in Pr.-doped and un-doped YSZ for a one chamber fuel cell,” Solid State Ionics 113-115, 363-367 (1998) doi:10.1016/S0167-2738(98)00301-4
2.	H. Yokokawa, N. Sakai, K. Yamaji, T. Horita, M. Ishikawa, “Thermodynamic Determining Factors of the Positive Electrode Potential of Lithium Batteries,” Solid State Ionics.113-115, 1-9 (1998) doi:10.1016/S0167-2738(98)00358-0
3.	Tatsumi Ishihara, John A Kilner, Miho Honda, Natsuko Sakai, Harumi Yokokawa, Yusaku Takita, “Oxygen surface exchange and diffusion in LaGaO3 based perovskite type oxide,” Solid State Ionics 113-115, 593-600 (1998) doi:10.1016/S0167-2738(98)00390-7
4.	Teruhisa Horita, Katsuhiko Yamaji, Masahiko Ishikawa, Natsuko Sakai, Harumi Yokokawa, Tatsuya Kawada, and Tohru Kato, “Active Sites Imaging for Oxygen Reduction at La0.9Sr0.1MnO3-x/Yttria-Stabilized Zirconia Interface by Secondary-Ion Mass Spectrometry,” J. Electrochem. Soc. 145(9), 3196-3202 (1998) doi:10.1149/1.1838786
5.	Teruhisa Horita, Katsuhiko Yamaji, Natsuko Sakai, Masahiko Ishikawa, Harumi Yokokawa, Tatsuya Kawada and Masayuki Dokiya, “Oxygen Surface Exchange of Y0.2Ce0.8O2-x under Reducing Atmosphere,”  Electrochemical and Solid State Letters 1(1), 4-6 (1998) doi:10.1149/1.1390616
6.	Jan Van herle, Teruhisa Horita, Tatsuya Kawada, Natsuko Sakai, Harumi Yokokawa, and Masayuki Dokiya, “Oxalate Coprecipitation of Doped Ceria Powder for Tape Casting,” Ceramics International 24(3), 229-241 (1998) doi:10.1016/S0272-8842(97)00007-2
7.	H. Funakubo, M. Yonetsu, K. Shinozaki, N. Mizutani, M. Ishikawa, N. Sakai, H. Yokokawa, “Diffusion of Bi into ZnO Film Prepared by CVD and its I-V Characteristics,” Key Engineering Materials. 157-158, 175-180 (1999) doi:10.4028/www.scientific.net/KEM.157-158.175
8.	Teruhisa Horita, Masahiko Ishikawa, Katsuhiko Yamaji, Natsuko Sakai, Harumi Yokokawa, Masayuki Dokiya, “Cation Diffusion in (La,Ca)CrO3 Perovskite by SIMS,” Solid State Ionics 108(1-4), 383-390 (1998) doi:10.1016/S0167-2738(98)00067-8
9.	Katsuhiko Yamaji, Teruhisa Horita, Masahiko Ishikawa, Natsuko Sakai, Harumi Yokokawa, “Compatibility of La0.9Sr0.1Ga0.8Mg0.2O2.85 as the electrolyte for SOFCs,” Solid State Ionic 108(1-4), 415-421 (1998) doi:10.1016/S0167-2738(98)00071-X
10.	Teruhisa Horita, Natsuko Sakai, Tatsuya Kawada, Harumi Yokokawa and Masayuki Dokiya, “Grain-Boundary Diffusion of Strontium in (La,Ca)CrO3 Perovskite-Type Oxide by SIMS, J. Am. Ceram. Soc. 81(2), 315-320 (1998) doi:10.1111/j.1151-2916.1998.tb02336.x

1997

1.	Teruhisa Horita, Natsuko Sakai, Harumi Yokokawa, Masayuki Dokiya, Tatsuya Kawada, Jan Van Herle and Kazutaka Sasaki, “Ceria-Zirconia Composite Electrolyte for Solid Oxide Fuel Cells,” J. Electroceramics. 1(2), 155-164 (1997) doi:10.1023/A:1009976700704
2.	Shigeki Shibagaki, Akihiro Koga, Yoshinori Shirakawa, Hiroko Onishi, Harumi Yokokawa, Junzo Tanaka, “Chemical reaction path for thin film oxidation of stainless steel,” Thin Solid Films, 303(1-2), 101-106 (1997) doi:10.1016/S0040-6090(97)00130-2
3.	Jan Van Herle, Teruhisa Horita, Tatsuya Kawada, Natsuko Sakai, Harumi Yokokawa and Masayuki Dokiya, "Fabrication and Sintering of Fine Yttria Doped Ceria Powder"  J. Am. Ceram. Soc. 80(4), 933-940 (1997) doi:10.1111/j.1151-2916.1997.tb02924.x
4.	Hibiki Itoh, Tohru Yamamoto, Masashi Mori, Teruhisa Horita, Natsuko Sakai, Harumi Yokokawa, and Masayuki Dokiya, “Configurational and Electrical Behavior of Ni-YSZ Cermet with Novel Microstructure for Solid Oxide Fuel Cells,” J. Electrochem. Soc. 144(2), 641-646 (1997) doi:10.1149/1.1837460
5.	T. Horita, K. Yamaji, N. Sakai, M. Ishikawa, H. Yokokawa, M. Dokiya, “Electrode Reaction At Platinum/Ceria Surface Modified YSZ Interface,” Ionics 3(1-2), 67-74 (1997) doi:10.1007/BF02375526

1996

1.	Jan Van herle, Teruhisa Horita, Tatsuya Kawada, Natsuko Sakai, Harumi Yokokawa, Masayuki Dokiya, “Sintering Behaviour and Ionic Conductivity of Yttria Doped Ceria,” J. Europ. Ceram. Soc. 16(9), 961-973 (1996) doi:10.1016/0955-2219(96)00012-X
2.	H. Inaba, M. Kimura and H. Yokokawa, “An Analysis of the Corrosion Resistance of Low Chromium-Steel in a Wet CO2 Environment by the Use of an Electrochemical Potential Diagram,” Corrosion Science  38(9), 1449-1461 (1996) doi:10.1016/0010-938X(96)00032-7
3.	H. Inaba, H. Yokokawa, “Analysis of Interfacial Reactions by the Use of Chemical Potential Diagrams,” J. Phase Equilibria 17(4), 278-289 (1996) doi:10.1007/BF02665554
4.	Teruhisa Horita, Natsuko Sakai, Harumi Yokokawa, Masayuki Dokiya, Tatsuya Kawada, “Characterization of Ceria Coated YSZ by a Platinum Point Electrode in H2-H2O Atmosphere,” Solid State Ionics 86-88, 1259-1266 (1996) doi:10.1016/0167-2738(96)00298-6
5.	Harumi Yokokawa, Teruhisa Horita, Natsuko Sakai, Masayuki Dokiya, Tatsuya Kawada, “Thermodynamic Representation of Nonstoichiometric Lanthanum Manganite,” Solid State Ionics 86-88, 1161-1165 (1996) doi:10.1016/0167-2738(96)00281-0
6.	Natsuko Sakai, Teruhisa Horita, Harumi Yokokawa, Masayuki Dokiya, Tatsuya Kawada, “Oxygen Permeation Measurement of  La1-xCaxCrO3-δ by Using an Electrochemical Method,” Solid State Ionics 86-88, 1273-1278 (1996) doi:10.1016/0167-2738(96)00300-1
7.	J. Van herle, T. Horita, T. Kawada, N. Sakai, H. Yokokawa, M. Dokiya, ”Low Temperature Fabrication of (Y, Gd, Sm)-Doped Ceria Electrolyte,” Solid State Ionics 86-88, 1255-1258 (1996) doi:10.1016/0167-2738(96)00297-4
8.	Haruo Nishiyama, Masanobu Aizawa, Harumi Yokokawa, Teruhisa Horita, Natsuko Sakai, Masayuki Dokiya, and Tatsuya Kawada, “Stability of Lanthanum Calcium Chromite - Lanthanum Strontium Manganite Interfaces in Solid Oxide Fuel Cells,” J. Electrochem. Soc. 143(7), 2332-2341 (1996) doi:10.1149/1.1837002
9.	H. Yokokawa, N. Sakai, T. Horita, M. Dokiya, T. Kawada, Y. Takai, M. Todoki, “Simultaneous Thermogravimetry - Mass Spectrometry for a Solid Oxide Fuel Cell Cathode, (La0.7Sr0.3)0.9MnO3” Ionics 2(3-4), 190-195 (1996) doi:10.1007/BF02376020
10.	Teruhisa Horita, Natsuk Sakai, Tatsuya Kawada, Harumi Yokokawa, Masayuki Dokiya, “Oxidation and Steam Reforming of CH4 on Ni and Fe Anodes under Low Humidity Conditions, "Solid Oxide Fuel Cells,” J. Electrochem. Soc. 143(4), 1161-1168 (1996) doi:10.1149/1.1836613
11.	Charles S. Montross,  Harumi Yokokawa, and Masayuki Dokiya, “Toughness in Lanthanum Chromite Due to Metastable Phase,” Scripta Materialia. 34(6), 913-917 (1996) doi:10.1016/1359-6462(95)00616-8
12.	Rak-Hyun Song, Teruhisa Horita, Natsuko Sakai, Tatsuya Kawada, Harumi Yokokawa, and Masayuki Dokiya, “Fabrication of Planar Solid Oxide Fuel Cell by Composite Plate Process,” Denki Kagaku 64(6), 614-619 (1996) [PDF]
13.	Harumi Yokokawa, Teruhisa Horita, Natsuko Sakai, Masayuki Dokiya, Jan Van herle, and Seung-Goo Kim, “Phase Diagram Calculation of the ZrO2-CeO2-YO1.5 System,” Denki Kagaku 64(6), 690-691 (1996) [PDF]

1995

1.	Harumi Yokokawa, Teruhisa Horita, Natsuko Sakai, Tatsuya Kawada, Masayuki Dokiya, "Simultaneous Thermogravimetry - Mass Spectrometry for a Solid Oxide Fuel Cell Interconnect, (La0.7Ca0.32)CrO3," Thermochimica Acta 267, 129-138 (1995) doi:10.1016/0040-6031(95)02472-7
2.	Teruhisa Horita, Natsuko Sakai, Tatsuya Kawada, Harumi Yokokawa, Masayuki Dokiya, “An Investigation of Anodes for Direct-Oxidation of Carbon in Solid Oxide Fuel Cell,” J. Electrochem. Soc. 142(8), 2621-2624 (1995) doi:10.1149/1.2050064
3.	Tatsuya Kawada, Teruhisa Horita, Natsuko Sakai, Harumi Yokokawa and Masayuki Dokiya, "Experimental Determination of Oxygen Permeation Flux through Bulk and Grain Boundary of  La0.7Ca0.3CrO3," Solid State Ionics 79, 201-207 (1995) doi:10.1016/0167-2738(95)00062-B
4.	Teruhisa Horita, Jin-Sa Choi, You-Ke Lee, Natsuko Sakai, Tatsuya Kawada, Harumi Yokokawa, Masayuki Dokiya, "Reaction between Calcium-Doped Lanthanum Chromite and Silica," J. Am. Ceram. Soc. 78(7), 1729-1756 (1995) doi:10.1111/j.1151-2916.1995.tb08882.x
5.	Charles S. Montross, Hrumi Yokokawa, Masayuki Dokiya and Lambert Bekessy, “Mechanical Properties of Magnesia-Doped Lanthanum Chromite versus Temperature,” J. Am. Ceram. Soc. 78(7), 1869-1872 (1995) doi:10.1111/j.1151-2916.1995.tb08902.x
6.	Harumi Yokokawa, Teruhisa Horita, Natsuko Sakai, Tatsuya Kawada and Masayuki Dokiya, "Chemical Thermodynamic Stabilities of Electrode/Electrolyte Interfaces of High Temperature Electrochemical Cells," Solid State Ionics 78(3-4), 203-210 (1995) doi:10.1016/0167-2738(95)00092-K
7.	C. S. Montross, B. A. Van Hassel, T. Kawada, H. Yokokawa, M. Dokiya, “Conductivity and strength behaviour of alumina whisker-Zirconia composites,” J. Mater. Sci. 30(12), 3285-3290 (1995) doi:10.1007/BF01209251

1994

1.	J. Sestak, J. Leiner, H. Yokokawa, B. Stepanek, “Thermodynamics and phase equilibria data in the S-Ga-Sb system auxiliary to the growth of doped GaSb single crystals,” Thermochimica Acta 245, 189-206 (1994) doi:10.1016/0040-6031(94)85079-8
2.	Harumi Yokokawa, Shigeru Yamauchi, Takafumi Matsumoto, "Thermodynamic database MALT2 and its applications to high temperature materials chemistry," Thermochimica Acta 245, 45-55 (1994) doi:10.1016/0040-6031(94)85068-2
3.	T. Kawada, B. A. van Hassel, T. Horita, N. Sakai, H. Yokokawa and M. Dokiya, "Porous YSZ as a Surface Oxygen Potential Probe on Polarized Electrodes," Solid State Ionics 70-71, 65-71 (1994) doi:10.1016/0167-2738(94)90288-7
4.	Ken-ichiro Ota, Mitsuru Nakamura, Harumi Yokokawa, Hideaki Yoshitake, Yasushi Abe, and Nobuyuki Kamiya, "Solubilities of Manganese Oxide in Molten Carbonate," Denki Kagaku 62(2), 165-169 (1994) [PDF]
5.	C. S. Montross, H. Yokokawa, M. Dokiya, “Fracture Toughness As A Function of Temperature For Alumina Whisker Stabilized Zirconia Composites,” Advanced Materials ‘93 III/B Composites, Grain Boundaries and Nanophase Materials,” ed. by M. Sakai et al., Trans. Mat. Res. Soc. Jpn. 16B, 873-876 (1994)

1993

1.	Harumi Yokokawa, Natsuko Sakai, Tatsuya Kawada, Masayuki Dokiya, Ken-ichiro Ota, "Chemical Potential Diagrams for Fe-Cr-Li-K-C-O System: Thermodynamic Analysis on Reaction Profiles between Alloys and Alkali Carbonates," J. Electrochem. Soc. 140(12), 3565-3577 (1993) doi:10.1149/1.2221127
2.	Bart A. van Hassel, Tatsuya Kawada, Natsuko Sakai, Harumi Yokokawa, Masayuki Dokiya, Jenny J.M. Bouwmeester, "Oxygen Permeation Modelling of Perovskites," Solid State Ionics 66(3-4), 295-305 (1993) doi:10.1016/0167-2738(93)90419-4
3.	Bart A. van Hassel, Ttsuya Kawada, Natsuko Sakai, Harumi Yokokawa, Masayuki Dokiya, "Oxygen Permeation Modelling of La1-yCayCrO3-δ," Solid State Ionics 66(1-2), 41-47 (1993) doi:10.1016/0167-2738(93)90026-Y
4.	Teruhisa Horita, Natsuko Sakai, Tatsuya Kawada, Harumi Yokokawa, and Masayuki Dokiya, "Reaction of SOFC Components with Sealing Materials," Denki Kagaku 61(7), 760-762 (1993) [PDF]
5.	Natsuko Sakai, Tatsuya Kawada, Harumi Yokokawa, Masayuki Dokiya, Isao Kojima, "Liquid Phase Assisted Sintering of Calcium Doped Lanthanum Chromites," J. Am. Ceram. Soc. 76(3), 609-616 (1993) doi:10.1111/j.1151-2916.1993.tb03649.x
6.	Baek-un Kim, Hideaki Yoshitake, Harumi Yokokawa, Nobuyuki Kamiya, Ken-ichiro Ota, "High Temperature Corrosion of Fe with (Li0.62K0.38)2CO3Melt," Bul. Chem. Soc. Japan 66(5), 1366-1372 (1993) doi:10.1246/bcsj.66.1366
7.	Natsuko Sakai, Tatsuya Kawada, Harumi Yokokawa, Masayuki Dokiya, "Effect of Preparation Method on Chemical Stability of Sinterable Calcium Doped Lanthanum Chromites," J. Ceramic Soc. Japan 101(1179), 1195-1200 (1993) doi:10.2109/jcersj.101.1195
8.	T. Kawada, T. Horita, N. Sakai, B. A. van Hassel, H. Yokokawa, M. Dokiya,   "Oxygen Permeation and Related Problems for SOFC Materials," ISSI Letter 4(2),67 (1993)

1992

1.	T. Kawada, N. Sakai, H. Yokokawa, M. Dokiya, "Electrical Properties of Transition Metal Doped YSZ," Solid State Ionics 53-56, 418-425 (1992) doi:10.1016/0167-2738(92)90409-I
2.	Harumi Yokokawa, Natsuko Sakai, Tatsuya Kawada and Masayuki Dokiya, "Thermodynamic Stabilities of Perovskite Oxides for Electrodes and Other Electrochemical Materials," Solid State Ionics 52(1-3), 43-56 (1992) doi:10.1016/0167-2738(92)90090-C
3.	Tatsuya Kawada, Natsuko Sakai, Harumi Yokokawa, Masayuki Dokiya, Iwao Anzai, "Reaction between Solid Oxide Fuel Cell Materials," Solid State Ionics 50(3-4), 189-196 (1992) doi:10.1016/0167-2738(92)90218-E
4.	Harumi Yokokawa, Natsuko Sakai, Tatsuya Kawada and Masayuki Dokiya, "Comment Using Chemical Equilibria Calculation on Discussion about 'Synthesis on Titanium Nitride Whiskers from Potassium Fluorotitanate (IV),'" J. Ceramic Soc. Japan 100(7), 979-981 (1992) doi:10.2109/jcersj.100.979
5.	Tatsuya Kawada, Natsuko Sakai, Harumi Yokokawa, Masayuki Dokiya, Iwao Anzai, “Fabrication of Planar Solid oxide Fuel Cells by Tape-Coasting and Co-Firing Method,” J. Ceramic Soc. Japan 100(1162), 847-850 (1992) doi:10.2109/jcersj.100.847
6.	T. Matsumoto, H. Yokokawa, “Solving the Chemical Equilibrium Problem Using the Gradient Projection Method,” Netsusokutei 19(4), 170-173 (1992) (in Japanese)

1991

1.	Harumi Yokokawa, Natsuko Sakai, Tatsuya Kawada and Masayuki Dokiya, "Chemical Potential Diagram of Al-Ti-C System: Al4C3 Formation on TiC Formed in Al-Ti Liquids Containing Carbon," Metal. Trans. 22A(12), 3075-3076 (1991) doi:10.1007/BF02650270
2.	Harumi Yokokawa, Natsuko Sakai, Tatsuya Kawada and Masayuki Dokiya, "Thermodynamic Stability of Perovskites and Related Compounds in Some Alkaline Earth - Transition Metal - Oxygen Systems," J. Solid State Chem. 94(1), 106-120 (1991) doi:10.1016/0022-4596(91)90225-7
3.	Harumi Yokokawa, Natsuko Sakai, Tatsuya Kawada and Masayuki Dokiya, "Thermodynamic Analysis of Reaction Profiles between LaMO3(M = Ni, Co, Mn) and ZrO2," J. Electrochem. Soc. 138(9), 2719-2727 (1991) doi:10.1149/1.2086043
4.	Yuji Yoshimura, Nobuyuki Matsubayashi, Harumi Yokokawa, Toshio Sato, Hiromichi Shimada and Akio Nishijima, "Temperature-Programmed Oxidation of Sulfided Cobalt-Molybdate/ Alumina Catalysts," I & EC RESEARCH 30(6), 1092-1099 (1991) doi:10.1021/ie00054a004
5.	Y. Yoshimura, H. Yokokawa, T. Sato, H. Shimada, N. Matsubayashi and A. Nishijima, "Temperature-programmed oxidation of sulfided nickel- molybdate/alumina catalysts Change of composition and structure of active metals," Applied Catalysis 73(1), 39-53 (1991) doi:10.1016/0166-9834(91)85111-8
6.	Masashi Mori, Natsuko Sakai, Tatsuya Kawada, Harumi Yokokawa, and Masayuki Dokiya, "Low-Temperature Air-Sinterable Lanthanum Calcium Chromite with Chromium Deficit for SOFC Separator,"  Denki Kagaku 59(4), 314-319 (1991) [PDF]
7.	Harumi Yokokawa, Natsuko Sakai, Tatsuya Kawada, and Masayuki Dokiya, "Chemical Thermodynamic  Considerations in Sinterability of LaCrO3-based Perovskites," J. Electrochem. Soc. 138(4), 1018-1027 (1991) doi:10.1149/1.2085708
8.	H. Yokokawa, N. Sakai, T. Kawada and M. Dokiya, "Thermodynamic Analysis on Solubilities and Valence State of Transition Metal Ions in Yttria Stabilized Zirconia," ISSI Letters 2(2), 7-8 (1991)

1990

1.	Harumi Yokokawa, Natsuko Sakai, Tatsuya Kawada, Masayuki Dokiya, "Generalized Electrochemical Potential Diagrams for Complex Aqueous (M-X-H-O-e-) Systems," J. Electrochem. Soc. 137(2), 388-398 (1990) doi:10.1149/1.2086451
2.	Harumi Yokokawa, Natsuko Sakai, Tatsuya Kawada, Masayuki Dokiya, Shigemi Kato, and Ken-ichiro Ota, “Construction of Chemical Potential Diagrams for the Multicomponent System : Li-Fe-C-O. Application to Reactions between Molten Carbonates and Metals,” Denki Kagaku 58(1), 57-62 (1990) (in Japanese) [PDF]
3.	Harumi Yokokawa, Natsuko Sakai, Tatsuya Kawada, and Masayuki Dokiya, “Chemical Thermodynamic Considerations on Chemical Stability of (La1-xSrx)yMnO3 Perovskite Air Electrode against Reaction with ZrO2 Electrolyte in SOFC,” Denki Kagaku 58(2), 162-171 (1990) (in Japanese) [PDF]
4.	Harumi Yokokawa, Natsuko Sakai, Tatsuya Kawada, and Masayuki Dokiya, “Construction of Electrochemical Potential Diagrams for Multicomponent Systems: Applications to Stability of LaCoO3-Based Double Oxides in Aqueous Solutions,” Denki Kagaku 58(4), 341-348 (1990) (in Japanese) [PDF]
5.	Harumi Yokokawa, Natsuko Sakai, Tatsuya Kawada, and Masayuki Dokiya , "Chemical Potential Diagrams for Rare Earth-Transition Metal-Oxygen Systems: I. Ln-V-O and Ln-Mn-O Systems, " J. Am. Ceram. Soc. 73(3), 649-658 (1990) doi:10.1111/j.1151-2916.1990.tb06567.x
6.	N. Sakai, T. Kawada, H. Yokokawa, M. Dokiya, and  T. Iwata,  "Sinterability and electrical conductivity of calcium-doped lanthanum chromites," J. Mater. Sci. 25(10), 4531-4534 (1990) doi:10.1007/BF00581119
7.	Harumi Yokokawa, Natsuko Sakai, Tatsuya Kawada, and Masayuki Dokiya, "Thermodynamic analysis on interface between perovskite and YSZ electrolyte," Solid State Ionics 40/41, 398-401 (1990) doi:10.1016/0167-2738(90)90366-Y
8.	T. Kawada, N. Sakai, H. Yokokawa, M. Dokiya, M. Mori, T. Iwata, "Structure and  Polarization Characteristics of Solid Oxide Fuel Cell Anodes," Solid State Ionics 40/41, 402-406 (1990) doi:10.1016/0167-2738(90)90367-Z
9.	Natsuko Sakai, Tatsuya Kawada, Harumi Yokokawa, Masayuki Dokiya, and Tomoo Iwata, "Thermal Expansion of Some Chromium Deficient Lanthanum Chromites," Solid State Ionics 40/41, 394-397 (1990) doi:10.1016/0167-2738(90)90365-X
10.	Harumi Yokokawa, Natsuko Sakai, Tatsuya Kawada, and Masayuki Dokiya, "Chemical Potential Diagrams for La-M-Zr-O (M=V, Cr, Mn, Fe, Co, Ni) Systems : Reactivity of Perovskites with Zirconia as a Function of Oxygen Potential," Denki Kagaku 58(6), 489-497 (1990) [PDF]
11.	Masashi Mori, Natsuko Sakai, Tatsuya Kawada, Harumi Yokokawa, and Masayuki Dokiya, "A New Cathode Material (La,Sr)1-Z(Mn1-yCry)O3 (0<=y<=0.2) for SOFC," Denki Kagaku 58(6), 528-532 (1990) [PDF]
12.	Harumi Yokokawa, Natsuko Sakai, Tatsuya Kawada, and Masayuki Dokiya, "Thermodynamic  Stability of SrCeO3 in Aqueous Solutions at 298 K and in a High-Temperature Reductive Atmosphere," Denki Kagaku 58(6), 561-563 (1990) [PDF]
13.	Tatsuya Kawada, Natsuko Sakai, Harumi Yokokawa, Masayuki Dokiya, Masashi Mori, and Tomoo Iwata,  "Characteristics of Slurry Coated Nickel Zirconia Cermet Anodes for Solid Oxide Fuel Cell," J. Electrochem. Soc. 137(1), 3042-3047 (1990) doi:10.1149/1.2086156
14.	Takeo Urabe, Harumi Yokokawa, “Thermodynamic Considerations on Mercury Species in Combustion Gas of Municipal Refuse Incinerator,” Haikibutsu Gakkaishi 1(1), 10-18 (1990) (in Japanese) doi:10.3985/jswme.1.10

1989

1.	Harumi Yokokawa, Tatsuya Kawada, and Masayuki Dokiya, "Thermodynamic Regularities in Perovskites and K2NiF4 Compounds,"  J. Am. Ceram. Soc., 72(1), 152-153 (1989) doi:10.1111/j.1151-2916.1989.tb05971.x
2.	Harumi Yokokawa, Natsuko Sakai, Tatsuya Kawada, and Masayuki Dokiya, “Chemical Thermodynamic Considerations on Reactivity of Perovskite Oxide Electrodes with Zirconia,” Denki Kagaku 57(8), 821-828 (1989) (in Japanese) [PDF]
3.	Harumi Yokokawa, Natsuko Sakai, Tatsuya Kawada, and Masayuki Dokiya, “Thermodynamic Analysis on Relation between Nonstoichiometry of LaMnO3 Perovskites and Their Reactivity with ZrO2,” Denki Kagaku 57(8), 829-836 (1989) (in Japanese) [PDF]
4.	Harumi Yokokawa, Tatsuya Kawada and Masayuki Dokiya, "Construction of Chemical Potential Diagrams for Metal-Metal-Nonmetal Systems: Applications to the Decomposition of Double Oxides," J. Am. Ceram. Soc. 72(11), 2104-2110 (1989) doi:10.1111/j.1151-2916.1989.tb06039.x

1988

1.	Seiichi Ujiie, Satoru Hirose, Masao Fujishige, Harumi Yokokawa, Masayuki Dokiya, "Reduction Behavior of Alumina in Pure Oxygen Blast Furnace for Aluminum Production," Trans. Japan Inst. Metals 29(7), 589-597 (1988) doi:10.2320/matertrans1960.29.589
2.	Tatsuya Kawada, Harumi Yokokawa, Masayuki Dokiya, "Ionic Conductivity of Montmorillonite - Alkali Sal Mixtures",Solid State Ionics, 28-30, 210-213 (1988) doi:10.1016/S0167-2738(88)80035-3
3.	H. Yokokawa, “Generalized Chemical Potential Diagram for Metal-Oxygen-Sulfur System,” Denki Kagaku 57, 751 (1988) (in Japanese)
4.	H. Yokokawa, M. Fujishige, S. Ujiie, M. Dokiya, "CTC: Construction of Chemical Thermodynamic Calculation System," J. National Chemical Laboratory for Industry 83, Special Issue, 1 (1988)
5.	H. Yokokawa, "Tables of Thermodynamic Functions for Inorganic Compounds," J. National Chemical Laboratory for Industry 83, Special Issue, 27 (1988)

1987

1.	Harumi Yokokawa, Masao Fujishige, Seiichi Ujiie, Masayuki Dokiya, "Phase Relations Associated with the Aluminum Blast Furnace: Aluminum Oxycarbide Melts and Al-C-X(X = Fe, Si) Liquid Alloys", Metal. Trans. B 18(2), 433-444 (1987) doi:10.1007/BF02656164
2.	Masao Fujishige, Harumi Yokokawa, Tetsuya Kameyama, Seiichi Ujiie, Kenzo Fukuda, and Masayuki Dokiya, "Aluminum Blast Furnace Process I. Prototype Furnace", Denki Kagaku 55(8), 601-608 (1987) [PDF]
3.	Seiichi Ujiie, Masao Fujishige, Harumi Yokokawa, Tetsuya Kameyama, Akihiro Motoe, Kenzo Fukuda, Masayuki Dokiya, and Koichi Amano, "Aluminum Blast Furnace Process II. Midget Furnace", Denki Kagaku 55(8), 609-616 (1987) [PDF]
4.	Akihiro Motoe, Masao Fujishige, Harumi Yokokawa, Tetsuya Kameyama, Seiichi Ujiie, Kenzo Fukuda, Masayuki Dokiya, Satoru Hirose, Koichi Amano, "Aluminum Blast Furnace Process III. Bench Scale Furnace", Denki Kagaku 55(9), 676-683 (1987) [PDF]

1986

1.	Masao Fujishige, Harumi Yokokawa, Seiich Ujiie, Masayuki Dokiya, “The Briquette Preparation Method and the Effect of CaO Addition on Carbothermic Bauxite Reduction,” J. Japan Inst. Metal. 50(8), 727-734 (1986) (in Japanese) doi:10.2320/jinstmet1952.50.8_727
2.	S. Ujiie, M. Fujishige, H. Yokokawa, M. Dokiya, "Chemical Analysis on silicon in Si-Al-Fe-C-O mixtures," J. National Chemical Laboratory for Industry 81, 159 (1986) (in Japanese)
3.	M. Fujishige, H. Yokokawa, S. Ujiie, M. Dokiya, "Effects of Carbon Mixing Methods and CaO Addition on Carbon Reduction of Bauxites," J. Japan Inst. Metal. 81, 727(1986) (in Japanese)

1984

1.	Harumi Yokokawa, Masao Fujishige, Seiichi Ujiie, Tetsuya Kameyama, Masayuki Dokiya, Kenzo Fukuda,  "Volatilization of Aluminum Oxycarbides and of Alumina with Carbon in Reduction of Alumina", Trans. Japn. Inst. Metals 25(3), 187-196 (1984) doi:10.2320/matertrans1960.25.187

1983

1.	Masao Fujishige, Harumi Yokokawa, Tetsuya Kameyama, Seiichi Ujiie, Akihiro Motoe, Kenzo Fukuda, and Masayuki Dokiya, “Carbothermic Reduction of Aluminous Compounds under the High Temperature CO Gas Flow,” J. Japan Inst. Metal. 47(12), 1047-1054 (1983) (in Japanese) doi:10.2320/jinstmet1952.47.12_1047
2.	T. Kameyama, K. Fukuda, M. Fujishige, H. Yokokawa, M. Dokiya, "Production of Hydrogen from Hydrogen Sulfide by means of Selective Diffusion Membranes", Int. J. Hydrogen Energy 8(1), 5-13 (1983) doi:10.1016/0360-3199(83)90029-0
3.	Yoichi Takahashi, Hidekimi Kadokura, Harumi Yokokawa, "Laser Flash Calorimetry IV. Heat capacity of gallium form 80 to 600 K in two solid phases and liquid phase", J. Chem. Thermodyn. 15(1), 65-81 (1983) doi:10.1016/0021-9614(83)90105-2

1982

1.	Harumi Yokokawa, O. J. Kleppa, "Thermodynamics of Liquid Cesium-Cesium Halides Mixtures at High Temperatures", J. Chem. Phys. 76(11), 5574 -5588 (1982) doi:10.1063/1.442862
2.	Harumi Yokokawa, Masayuki Dokiya, Masao Fujishige, Tetsuya Kameyama, Seiichi Ujiie, Kenzo Fukuda, "X-ray powder diffraction data for two hexagonal aluminum monoxycarbide phases", J. Am. Ceram. Soc. 65(3), C40-C41(1982) doi:10.1111/j.1151-2916.1982.tb10394.x
3.	Harumi Yokokawa, Masao Fujishige, Masayuki Dokiya, Tetsuya Kameyama, Seiichi Ujiie, Kenzo Fukuda, "Reduction of Alumina: Effects of Silicon Compounds on Oxycarbide Behavior", Trans. Japn. Inst. Metals 23(3), 134-145 (1982) doi:10.2320/matertrans1960.23.134

1981

1.	Harumi Yokokawa, O. J. Kleppa, "Thermochemistry of liquid alloys of transition metal II. (Copper+titanium) at 1372 K", J. Chem. Thermodyn. 13(8), 703-715 (1981) doi:10.1016/0021-9614(81)90059-8
2.	T. Kameyama, K. Fukuda, M. Fujishige, H. Yokokawa, M. Dokiya, "Possibility for Effective Production of Hydrogen from Hydrogen Sulfide by means of a Porous Vycor Glass Membrane," I & EC fundamentals 20(1), 97-99 (1981) doi:10.1021/i100001a019

1980

1.	K. J. Dickens, O. J. Kleppa, H. Yokokawa,  "Microcomputer controlled integrator for Calvet-type twin calorimeters", Rev. Sci. Instrum. 51, 675 (1980) doi:10.1063/1.1136280
2.	H. Yokokawa, O. J. Kleppa, "Thermodynamic Properties of Liquid Cesium-Cesium-Halides Mixtures at 925 K", J. Phys(Paris) 41(C8), C8-555-C8-558 (1980) doi:10.1051/jphyscol:19808139

1979

1.	Masayuki Dokiya, Harumi Yokokawa, Tetsuya Kameyama, and Kenzo Fukuda, "A Study of the Thermochemical Hydrogen Preparation X. Estimation of the Thermal Efficiency of Sulfuric Acid Cycles", Denki Kagaku 47(3), 156-163 (1979) [PDF]
2.	H. Yokokawa, O. J. Kleppa, N. H. Nachtrieb, "A Calorimetric Study on Liquid Cesium-Cesium Chloride Mixtures at 925 K", J. Chem. Phys. 71(10), 4099-4107 (1979) doi:10/10.1063/1.438180
3.	Yoichi Takahashi, Harumi Yokokawa, Hidekimi Kadokura, Yukihiro Sekine, Takashi Mukaibo, "Laser Flash Calorimetry I. Calibration and test on alumina heat capacity", J. Chem. Thermodyn. 11(4), 379-394 (1979) doi:10.1016/0021-9614(79)90058-2
4.	Harumi Yokokawa, Yoichi Takahashi, "Laser Flash Calorimetry II. Heat capacity of platinum from 80 to 1000 K and its revised thermodynamic functions", J. Chem. Thermodyn. 11(5), 411-420 (1979) doi:10.1016/0021-9614(79)90117-4
5.	Harumi Yokokawa, Yoichi Takahashi, "Analysis of heat capacity of platinum: Electron-phonon effects and anharmonic contribution", J. Phys. Chem. Solid 40(6), 445-448 (1979) doi:10.1016/0022-3697(79)90060-X
6.	Harumi Yokokawa, Yoichi Takahashi, "Calorimetric study on the electronic structure in UP-US system", J. Phys. Chem. Solid 40(8), 603-612 (1979) doi:10.1016/0022-3697(79)90169-0
7.	M. Dokiya, K. Fukuda, T. Kameyama, H. Yokokawa, "A Feasibility Study on Thermochemical Water-Splitting Cycles Using Sulfur Compounds", Hydrogen Energy Progress 2, pp. 499-512, (1979)

1978

1.	Masayuki Dokiya, Kenzo Fukuda, Harumi Yokokawa, Tetsuya Kameyama, "The Study of Thermochemical Hydrogen Production. VI. A Hydrogenevolving Step through the H2S-CO Cycle", Bull. Japan Chem. Soc. 51(1), 150-153 (1978) doi:10.1246/bcsj.51.150

1977

1.	Hidekimi Kadokura, Harumi Yokokawa, Yo Takahashi, “Thermal Properties of Vacuum Greases (Apiezon-N, -T and Silicone Grease),” Netsusokutei (Calorimetry and Thermal Analysis) 4(2), 52-54 (1977) (in Japanese) doi:10.11311/jscta1974.4.52