| Colossal negative thermal expansion in BiNiO3 induced by intermetallic charge transfer M Azuma, W Chen, H Seki, M Czapski, S Olga, K Oka, M Mizumaki, ... Nature communications 2, 347, 2011 | 431 | 2011 |
| Pressure-Induced Spin-State Transition in BiCoO3 K Oka, M Azuma, W Chen, H Yusa, AA Belik, E Takayama-Muromachi, ... Journal of the American Chemical Society 132 (27), 9438-9443, 2010 | 172 | 2010 |
| A Stable, Narrow-Gap Oxyfluoride Photocatalyst for Visible-Light Hydrogen Evolution and Carbon Dioxide Reduction R Kuriki, T Ichibha, K Hongo, D Lu, R Maezono, H Kageyama, O Ishitani, ... Journal of the American Chemical Society 140 (21), 6648-6655, 2018 | 142 | 2018 |
| Magnetic Ground-State of Perovskite PbVO3 with Large Tetragonal Distortion K Oka, I Yamada, M Azuma, S Takeshita, KH Satoh, A Koda, R Kadono, ... Inorganic chemistry 47 (16), 7355-7359, 2008 | 134 | 2008 |
| Rhombohedral–tetragonal phase boundary with high Curie temperature in (1-x) BiCoO3–xBiFeO3 solid solution M Azuma, S Niitaka, N Hayashi, K Oka, M Takano, H Funakubo, ... Japanese Journal of Applied Physics 47 (9S), 7579, 2008 | 107 | 2008 |
| Durability of WO3/ZrO2–CuO/CeO2 catalysts for steam reforming of dimethyl ether T Nishiguchi, K Oka, T Matsumoto, H Kanai, K Utani, S Imamura Applied Catalysis A: General 301 (1), 66-74, 2006 | 98 | 2006 |
| Superconducting Double Perovskite Bismuth Oxide Prepared by a Low‐Temperature Hydrothermal Reaction MHK Rubel, A Miura, T Takei, N Kumada, M Mozahar Ali, M Nagao, ... Angewandte Chemie 126 (14), 3673-3677, 2014 | 96 | 2014 |
| Crystal and Magnetic Structure in Co-Substituted BiFeO3 I Sosnowska, M Azuma, R Przeniosło, D Wardecki, W Chen, K Oka, ... Inorganic chemistry 52 (22), 13269-13277, 2013 | 87 | 2013 |
| Suppression of temperature hysteresis in negative thermal expansion compound BiNi1−xFexO3 and zero-thermal expansion composite K Nabetani, Y Muramatsu, K Oka, K Nakano, H Hojo, M Mizumaki, A Agui, ... Applied Physics Letters 106 (6), 061912, 2015 | 85 | 2015 |
| Intermetallic Charge Transfer in A-Site-Ordered Double Perovskite BiCu3Fe4O12 Y Long, T Saito, T Tohyama, K Oka, M Azuma, Y Shimakawa Inorganic chemistry 48 (17), 8489-8492, 2009 | 78 | 2009 |
| Development of Bismuth Ferrite as a Piezoelectric and Multiferroic Material by Cobalt Substitution H Hojo, K Oka, K Shimizu, H Yamamoto, R Kawabe, M Azuma Advanced Materials 30 (33), 1705665, 2018 | 76 | 2018 |
| Polarization Rotation in the Monoclinic Perovskite BiCo1−xFexO3 K Oka, T Koyama, T Ozaaki, S Mori, Y Shimakawa, M Azuma Angewandte Chemie 124 (32), 8101-8104, 2012 | 63 | 2012 |
| Hydrothermal synthesis, crystal structure, and superconductivity of a double-perovskite Bi oxide MHK Rubel, T Takei, N Kumada, MM Ali, A Miura, K Tadanaga, K Oka, ... Chemistry of Materials 28 (2), 459-465, 2016 | 62 | 2016 |
| A-Site and B-Site Charge Orderings in an s–d Level Controlled Perovskite Oxide PbCoO3 Y Sakai, J Yang, R Yu, H Hojo, I Yamada, P Miao, S Lee, S Torii, ... Journal of the American Chemical Society 139 (12), 4574-4581, 2017 | 56 | 2017 |
| Tuning negative thermal expansion in Bi1−xLnxNiO3 (Ln = La, Nd, Eu, Dy) K Oka, K Nabetani, C Sakaguchi, H Seki, M Czapski, Y Shimakawa, ... Applied Physics Letters 103 (6), 061909, 2013 | 54 | 2013 |
| Melting of Pb Charge Glass and Simultaneous Pb–Cr Charge Transfer in PbCrO3 as the Origin of Volume Collapse R Yu, H Hojo, T Watanuki, M Mizumaki, T Mizokawa, K Oka, H Kim, ... Journal of the American Chemical Society 137 (39), 12719-12728, 2015 | 50 | 2015 |
| Active state of tungsten oxides on WO3/ZrO2 catalyst for steam reforming of dimethyl ether combined with CuO/CeO2 K Oka, T Nishiguchi, H Kanai, K Utani, S Imamura Applied Catalysis A: General 309 (2), 187-191, 2006 | 46 | 2006 |
| Pressure-Induced Transformation of 6H Hexagonal to 3C Perovskite Structure in PbMnO3 K Oka, M Azuma, S Hirai, AA Belik, H Kojitani, M Akaogi, M Takano, ... Inorganic chemistry 48 (5), 2285-2288, 2009 | 45 | 2009 |
| Negative thermal expansion induced by intermetallic charge transfer M Azuma, K Oka, K Nabetani Science and technology of advanced materials 16 (3), 034904, 2015 | 44 | 2015 |
| Solar-Driven Photoelectrochemical Water Oxidation over an n-Type Lead–Titanium Oxyfluoride Anode N Hirayama, H Nakata, H Wakayama, S Nishioka, T Kanazawa, R Kamata, ... Journal of the American Chemical Society 141 (43), 17158-17165, 2019 | 43 | 2019 |
Masaki Azuma東京工業大学フロンティア材料研究所Verified email at msl.titech.ac.jp
