Journal Paper

• Yuki Suzuki, Taito Murakami, Kotaro Fujii, James R. Hester, Yuta Yasui, Masatomo Yashima. Simultaneous Reduction of Proton Conductivity and Enhancement of Oxide-Ion Conductivity by Aliovalent Doping in Ba7Nb4MoO20, Inorganic Chemistry, May 2022.  Official location  
• Yusuke Ogura, Tatsuya Yokoi, Kotaro Fujii, Masatomo Yashima, Katsuyuki Matsunaga. First-Principles Analysis of the Oxide-Ion Conduction Mechanism in Si-Deficient Lanthanum Silicate Apatite, The Journal of Physical Chemistry C, Vol. 126, No. 13, pp. 5805-5812, Apr. 2022.  Official location  
• Taito Murakami, Toshiya Shibata, Yuta Yasui, Kotaro Fujii, James R. Hester, Masatomo Yashima. High Oxide‐Ion Conductivity in a Hexagonal Perovskite‐Related Oxide Ba 7 Ta 3.7 Mo 1.3 O 20.15 with Cation Site Preference and Interstitial Oxide Ions, Small, Vol. 18, No. 10, pp. 2106785, Mar. 2022.  Official location  
• Hiroshi Yaguchi, Kotaro Fujii, Yoshinori Tsuchiya, Hiraku Ogino, Yoshihiro Tsujimoto, Masatomo Yashima. Ruddlesden–Popper Oxychlorides Ba3Y2O5Cl2, Sr3Sc2O5Cl2, and Sr2ScO3Cl: First Examples of Oxide-Ion-Conducting Oxychlorides, ACS Applied Energy Materials, Vol. 5, No. 1, pp. 295-304, Jan. 2022.  Official location  
• Irene Quinzeni, Kotaro Fujii, Marcella Bini, Masatomo Yashima, Cristina Tealdi. Na+ diffusion mechanism and transition metal substitution in tunnel-type manganese-based oxides for Na-ion rechargeable batteries, Materials Advances, Vol. 3, No. 2, pp. 986-997, 2022.  Official location  
• Saito, K., Fujii, K., Yashima, M., Kotaro Fujii. Oxide-ion and proton conductivity of the ordered perovskite BaY_1/3Ga_2/3O_2.5, Journal of Solid State Chemistry, Vol. 306, 2022.  Official location  
• Nakamura, M., Akamatsu, H., Fujii, K., Nambu, Y., Ikeda, Y., Kanazawa, T., Nozawa, S., Yashima, M., Hayashi, K., Maeda, K., Kotaro Fujii. Synthesis of Hydride-Doped Perovskite Stannate with Visible Light Absorption Capability, Inorganic Chemistry, Vol. 61, No. 17, pp. 6584-6593, 2022.  Official location  

Patent

• Masatomo Yashima, Hiroshi Yaguchi, Kotaro Fujii, Nachi Ueno. 電気伝導体、固体電解質、電解質層および電池. Patent. Published. 国立大学法人東京工業大学. 2022/12/15. 特願2022-200423. 2023/06/29. 特開2023-090680. 2023.
• Masatomo Yashima, Taito Murakami, Kotaro Fujii, Kazuaki Jojima, Riho Morikawa, Yuta Yasui. 固体電解質、電解質層、電池及び固体電解質の製造方法. Patent. Published. 国立大学法人東京工業大学. 2022/03/04. 特願2022-033668. 2022/09/15. 特開2022-136049. 2022.

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