"Kotaro Fujii","Hydride-based antiperovskites with soft anionic sublattices as fast alkali ionic conductors",,"Nature Communications",,"Vol. 12","No. 1",,2021,Dec.
"Masatomo Yashima,Takafumi Tsujiguchi,Yuichi Sakuda,Yuta Yasui,Yu Zhou,Kotaro Fujii,Shuki Torii,Takashi Kamiyama,Stephen J. Skinner","High oxide-ion conductivity through the interstitial oxygen site in Ba7Nb4MoO20-based hexagonal perovskite related oxides",,"Nature Communications",,"Vol. 12","No. 1",,2021,Dec.
"Hiroaki Ito,Kazuki Shitara,Yongming Wang,Kotaro Fujii,Masatomo Yashima,Yosuke Goto,Chikako Moriyoshi,Nataly Carolina Rosero]Navarro,Akira Miura,Kiyoharu Tadanaga","Kinetically Stabilized Cation Arrangement in Li 3 YCl 6 Superionic Conductor during Solid]State Reaction",,"Advanced Science",,,,,2021,June
"Masashi Nakamura,Hiroshi Watanabe,Hirofumi Akamatsu,Kotaro Fujii,Masatomo Yashima,George Hasegawa,Miki Inada,Katsuro Hayashi,Kazuhiko Maeda","Sn-Based Perovskite with a Wide Visible-Light Absorption Band Assisted by Hydride Doping",,"Chemistry of Materials",,"Vol. 33","No. 10","pp. 3631-3638",2021,May
"Kotaro Fujii","Ternary carbodiimide compound, Ba0.9Sr0.1NCN with distorted rutile-type structure",,"Journal of Solid State Chemistry",,"Vol. 296",,"pp. 122000",2021,Apr.
"Yu Zhou,Masahiro Shiraiwa,Masanori Nagao,Kotaro Fujii,Isao Tanaka,Masatomo Yashima,Laura Baque,Juan F. Basbus,Liliana V. Mogni,Stephen J. Skinner","Protonic Conduction in the BaNdInO4 Structure Achieved by Acceptor Doping",,"Chemistry of Materials",,"Vol. 33","No. 6","pp. 2139-2146",2021,Mar.
"Masahiro Shiraiwa,Takafusa Kido,Kotaro Fujii,Masatomo Yashima","High-temperature proton conductors based on the (110) layered perovskite BaNdScO4",,"Journal of Materials Chemistry A",,,,,2021,
"Kazuki Shitara,Akihide Kuwabara,Keisuke Hibino,Kotaro Fujii,Masatomo Yashima,James R. Hester,Masanori Umeda,Naoyoshi Nunotani,Nobuhito Imanaka","Ionic conduction mechanism in Ca-doped lanthanum oxychloride",,"Dalton Transactions",,,,,2021,
"Shiraiwa, M.,Kido, T.,Fujii, K.,Yashima, M.,Kotaro Fujii","High-temperature proton conductors based on the (110) layered perovskite BaNdScO<sub>4</sub>",,"Journal of Materials Chemistry A",,"Vol. 9","No. 13","pp. 8607-8619",2021,
"Hibino, K.,Tanaka, M.,Kozakai, S.,Fujii, K.,Ishihara, T.,Hester, J.R.,Yashima, M.,Kotaro Fujii","Experimental Visualization of the Interstitialcy Diffusion of Anions in the LaOF-Based Oxyfluoride La<sub>0.9</sub>Sr<sub>0.1</sub>O<sub>0.45</sub>F<sub>2</sub>",,"ACS Applied Energy Materials",,"Vol. 4","No. 9","pp. 8891-8900",2021,
"Chiba, Y.,Shibata, K.,Takatsu, H.,Fujii, K.,Saito, M.,Kageyama, H.,Maeda, K.,Yashima, M.,Motohashi, T.,Kotaro Fujii","Electrochemical Crystal Growth of Titanium Oxyfluorides - A Strategy for Development of Electron-Doped Materials",,"Inorganic Chemistry",,"Vol. 60","No. 19","pp. 14613-14621",2021,
"Kitagawa, Y.,Ueda, J.,Fujii, K.,Yashima, M.,Funahashi, S.,Nakanishi, T.,Takeda, T.,Hirosaki, N.,Hongo, K.,Maezono, R.,Tanabe, S.,Kotaro Fujii","Site-Selective Eu<sup>3+</sup>Luminescence in the Monoclinic Phase of YSiO<sub>2</sub>N",,"Chemistry of Materials",,"Vol. 33","No. 22","pp. 8873-8885",2021,
"Masese, T.,Miyazaki, Y.,Rizell, J.,Kanyolo, G.M.,Chen, C.-Y.,Ubukata, H.,Kubota, K.,Sau, K.,Ikeshoji, T.,Huang, Z.-D.,Yoshii, K.,Takahashi, T.,Ito, M.,Senoh, H.,Hwang, J.,Alshehabi, A.,Matsumoto, K.,Matsunaga, T.,Fujii, K.,Yashima, M.,Shikano, M.,Tassel, C.,Kageyama, H.,Uchimoto, Y.,Hagiwara, R.,Saito, T.,Kotaro Fujii","Mixed alkali-ion transport and storage in atomic-disordered honeycomb layered NaKNi<sub>2</sub>TeO<sub>6</sub>",,"Nature Communications",,"Vol. 12","No. 1",,2021,