古山 通久

論文

• Proton-Exchange Effect of Rb4Ta6O17 Crystal on Nitridation Efficiency to Ta3N5

  Tetsuya Yamada, Kouhei Machida, Hiroh Miyagawa, Yingjie Chen, Fumitaka Hayashi, Michihisa Koyama, Katsuya Teshima

  Crystal Growth & Design 2025年9月17日
• Universal neural network potential study of the Pt/CO heterogeneous catalytic system

  Gerardo Valadez Huerta, Yusuke Nanba, Michihisa Koyama

  Surfaces and Interfaces 2025年6月
• Surface steric effect in heterogeneous catalysis as the origin of the high activity induced by strong metal-support interactions

  Gerardo Valadez Huerta, Kaoru Hisama, Katsutoshi Sato, Katsutoshi Nagaoka, Michihisa Koyama

  iScience 28(5) 112470-112470 2025年5月
• Elucidation of the Ta(O,N)6 Octahedral Arrangement in Flux-Grown BaTaO2N Photocatalysts by Experimental and Computational Structural Modeling

  Tetsuya Yamada, Hiroh Miyagawa, Tomohito Sudare, Hiromasa Shiiba, Hideki Tanaka, Miwako Takahashi, Michihisa Koyama, Katsuya Teshima

  Inorganic Chemistry 2025年4月14日
• Molecular Dynamics Simulation of Polymer Electrolyte Membrane for Understanding Structure and Proton Conductivity at Various Hydration Levels Using Neural Network Potential

  Attila Taborosi, Kentaro Aoki, Nobuyuki Zettsu, Michihisa Koyama, Yuki Nagao

  Macromolecules 2025年4月8日
• Support-dependent modulation of Pt<inf>33</inf> nanoparticles: Insights into oxygen interaction, stability, electronic properties, and geometric structure

  David S. Rivera Rocabado, Michihisa Koyama

  Surface Science 754 2025年4月
• Structural Stabilization and Superior Electrochemical Performance of Yttrium-Doped O3-NaFe_0.4Ni_0.3Mn_0.3O₂ Cathodes for Sodium-Ion Batteries

  Tingru Chen, Eugenio H. Otal, Tien Quang Nguyen, Shunsuke Narumi, Michihisa Koyama, Nobuyuki Zettsu

  CHEMISTRY OF MATERIALS 37(2) 709-723 2025年1月13日
• Predicting CO Adsorption on Multi-elemental Alloy through Machine Learning Analysis of Ternary Components

  Susan Menez ASPERA, Gerardo VALADEZ HUERTA, Yusuke NANBA, Kaoru HISAMA, Michihisa KOYAMA

  Journal of Computer Chemistry, Japan 2025年
• Tailoring the room-temperature miscibility gap in ordered spinel LiNi0.5Mn1.5O4 cathodes by multi-element doping

  Shunsuke Narumi, H. Eugenio Otal, Tien Quang Nguyen, Michihisa Koyama, Nobuyuki Zettsu

  Journal of Materials Chemistry A 2025年
• Data-driven exploration of layered double hydroxide crystals exhibiting high fluoride ion adsorption properties and chemical stability

  Fumitaka Hayashi, Ryuki Harada, Hiroaki Sugitani, Hiromasa Kaneko, Tien Quang Nguyen, Mongkol Tipplook, Tetsuya Yamada, Michihisa Koyama, Katsuya Teshima

  CrystEngComm 2025年
• Anion Intercalation and Selectivity in NiFe LDH: Insights from Neural Network-Enhanced Molecular Dynamics

  Tien Quang NGUYEN, Susan Meñez ASPERA, Yingjie CHEN, Kaoru HISAMA, Michihisa KOYAMA

  Journal of Computer Chemistry, Japan 24(1) 20-26 2025年
• Element-specific descriptors to predict the stability of binary nanoalloys

  Yusuke Nanba, Michihisa Koyama

  Computational Materials Science 246 2025年1月
• A Comprehensive Computer-Aided Review of Trends in Heterogeneous Catalysis and Its Theoretical Modelling for Engineering Catalytic Activity

  Gerardo Valadez Huerta, Kaoru Hisama, Michihisa Koyama

  Journal of Chemical Engineering of Japan 57(1) 2024年12月16日
• Molecular dynamics of liquid–electrode interface by integrating Coulomb interaction into universal neural network potential

  Kaoru Hisama, Gerardo Valadez Huerta, Michihisa Koyama

  Journal of Computational Chemistry 45(32) 2805-2811 2024年12月15日
• Theoretical Catalyst Screening of Multielement Alloy Catalysts for Ammonia Synthesis Using Machine Learning Potential and Generative Artificial Intelligence

  Kaoru Hisama, Atsushi Ishikawa, Susan Menez Aspera, Michihisa Koyama

  The Journal of Physical Chemistry C 128(44) 18750-18758 2024年10月25日
• Effects of Alkyl Side Chain Length on the Structural Organization and Proton Conductivity of Sulfonated Polyimide Thin Films

  Tetsuya Honbo, Yutaro Ono, Kota Suetsugu, Mitsuo Hara, Attila Taborosi, Kentaro Aoki, Shusaku Nagano, Michihisa Koyama, Yuki Nagao

  ACS Applied Polymer Materials 6(21) 13217-13227 2024年10月21日
• Exploring Electrolyte Adsorption on the Different Types of Layered Cathode Surfaces in Lithium-Ion Batteries via a Universal Neural Network Potential Method

  Attila Taborosi, Hiromasa Shiiba, Michihisa Koyama, Nobuyuki Zettsu

  ACS Omega 9(41) 42116-42126 2024年10月15日
• Extended Unit Cell Model Employing Two Vectors for Crystal Structure Analysis in IrPd Nanoparticles for Catalysis

  Hirotaka Ashitani, Shogo Kawaguchi, Kohei Kusada, Yusuke Nanba, Susan Meñez Aspera, Michihisa Koyama, Naomi Kawamura, Hiroshi Kitagawa, Osami Sakata

  ACS Applied Nano Materials 2024年10月9日
• Cation-Doped Nanocarbons for Enhanced Perfluoroalkyl Substance Removal: Exotic Bottom-Up Solution Plasma Synthesis and Characterization

  Mongkol Tipplook, Kaoru Hisama, Michihisa Koyama, Kazunori Fujisawa, Fumitaka Hayashi, Tomohito Sudare, Katsuya Teshima

  ACS Applied Materials &amp; Interfaces 16(45) 61832-61845 2024年9月30日
• Facilitation of Pd-Ru Mixing in Nanoalloys of Immiscible Palladium and Ruthenium by NO Adsorption

  Yusuke Nanba, Masaaki Haneda, Michihisa Koyama

  Journal of Physical Chemistry C 128(36) 14937-14946 2024年9月12日