Katsuhiro Ueno, Naoyuki Hatada, Tetsuya Uda. Breaking away from co-sintering process: Demonstration of an alternative process that brings out a true performance of protonic ceramics. International Journal of Hydrogen Energy. 2025. 119. 416-430
Atsunori Hashimoto, Katsuhiro Ueno, Koudai Nakatani, Kazuaki Toyoura, Naoyuki Hatada, Tetsuya Uda. Effect of tetravalent cation substitution on oxide-ion conduction and chemical stability of perovskite-related material Ba3Y4O9. Solid State Ionics. 2024. 414. 116641
Katsuhiro Ueno, Atsunori Hashimoto, Kazuaki Toyoura, Naoyuki Hatada, Shigeo Sato, Tetsuya Uda. Comprehensive understanding of the crystal structure of perovskite-type Ba3Y4O9 with Zr substitution: a theoretical and experimental study. Dalton Transactions. 2024. 53. 6070