論文

• Takumi Nishikubo, Yuki Sakai, Kengo Oka, Masaichiro Mizumaki, Tetsu Watanuki, Akihiko Machida, Naoyuki Maejima, Shigenori Ueda, Takashi Mizokawa, Masaki Azuma. Optimized negative thermal expansion induced by gradual intermetallic charge transfer in Bi_1-xSb_xNiO₃, Applied physics express, Vol. 11, No. 6, p. 061102, June 2018.
• M. Azuma, Y. Sakai, T. Nishikubo, M. Mizumaki, T. Watanuki, T. Mizokawa, K. Oka, H. Hojo, M. Naka. Systematic charge distribution changes in Bi- and Pb-3d transition metal perovskites, Dalton Transactions, Vol. 47, No. 5, p. 1371-1377, Feb. 2018.
• Yuki Sakai, Junye Yang, Runze Yu, Hajime Hojo, Ikuya Yamada, Ping Miao, Sanghyun Lee, Shuki Torii, Takashi Kamiyama, Marjana Ležaić, G.Bihlmayer, M. Mizumaki, J.Komiyama, T.Mizokawa, H.Yamamoto, T.Nishikubo, Y.Hattori, K. Oka, Y.Yin, J.Dai, W.Li, S.Ueda, A.Aimi, D.Mori, Y. Inaguma, Z.Hu, T. Uozumi, C.Jin, Y.Long, Masaki Azuma. A-site and B-site charge orderings in an s-d level controlled perovskite oxide PbCoO₃, Journal of the American Chemical Society, Vol. 139, No. 12, pp. 4574-4581, Mar. 2017.
• Nakano Kiho, Oka Kengo, Watanuki Tetsu, Mizumaki Masaichiro, Machida Akihiko, Agui Akane, Kim Hyunjeong, Komiyama Jun, Mizokawa Takashi, Nishikubo Takumi, Masaki Azuma. Glassy Distribution of Bi3+/Bi5+ in Bi1–x Pb x NiO3 and Negative Thermal Expansion Induced by Intermetallic Charge Transfer, Chemistry of Materials, Vol. 28, No. 17, pp. 6062-6067, Aug. 2016.
• Runze Yu, Hajime Hojo, Tetsu Watanuki, Masaichiro Mizumaki, Takashi Mizokawa, Kengo Oka, Hyunjeong Kim, Akihiko Machida, Kouji Sakaki, Yumiko Nakamura, Aguin Akane, Daisuke Mori, Yoshiyuki Inaguma, Martin Schlipf, Konstantin Z. Rushchanskii, Marjana Lezaic, Masaaki Matsuda, Jie Ma, Stuart Calder, Masahiko Isobe, Yuichi Ikuhara, Masaki Azuma. Melting of Pb Charge Glass and Simultaneous Pb−Cr Charge Transfer in PbCrO₃ as the Origin of Volume Collapse, Journal of the American Chemical Society, Vol. 137, pp. 12719-12728, Sept. 2015.
• H. Wadati, K. Kato, Y.Wakisaka, T.Sudayama, D.G. Hawthorn, T.Z. Regier, N.Onishi, M. Azuma, Y.Shimakawa, T.Mizokawa, A. Tanaka, G.A. Sawatzky. Impact of Mn–O–O–Mn superexchange pathways in a honeycomb lattice Mn oxide with small charge-transfer energy, Solid State Communications, Vol. 162, pp. 18-22, June 2013.
• Sudayama, T, Y. Wakisaka, H. Wadati, Mizokawa, G. A. Sawatzky, D.G. Hawthorn, T. Z. Regier, Kengo Oka, Masaki Azuma, M. Shimakawa, Y. Co-O-O-Co superexchange pathways enhanced by small charge-transfer energy in multiferroic BiCoO(3), Pysical Review B, Vol. 83, pp. 235105-1-5, June 2011.
• Mizokawa, T., Y. Morita, T. Sudayama, K. Takubo, I. Yamada, M. Azuma, M. Takano, Y. Shimakawa. Metallic versus insulating behavior in the A-site ordered perovskite oxides ACu3Co4O12 (A = Ca and Y) controlled by Mott and Zhang-Rice physics., Phys. Rev. B, Vol. 80, pp. 125105-1-125105-4, 2009.
• H. Wadati, Kiyonao Tanaka, A. Fujimori, T. Mizokawa, H. Kumigashira, M. Oshima, S. Ishiwata, M. Azuma, M. Takano. Temperature-dependent photoemission and x-ray absorption studies of the metal-insulator transition in Bi1−xLaxNiO3, Phys. Rev. B, Vol. 76, pp. 205123/1-4, 2007.
• Daiki Wadati, M Takizawa, Tran Trung, Kiyonao Tanaka, Takashi Mizokawa, Atsushi Fujimori, Akira Chikamatsu, Hiroshi Kumigashira, M Oshima, S. Ishiwata, M. Azuma, M. Takano. Valence Changes Associated with the Metal-Insulator Transition in Bi1-xLaxNiO3, Phys. Rev. B, Vol. 72, No. 15, pp. 155103-1-155103-5, 2005.

国際会議発表 (査読有り)

• Takumi Nishikubo, Takashi Imai, Yuki Sakai, Masaichiro Mizumaki, Shogo Kawaguchi, Norihiro Oshime, Ayumu Shimada, Kento Sugawara, Kenji Ohwada, Akihiko Machida, Tetsu Watanuki, Kosuke Kurushima, Shigeo Mori, Takashi Mizokawa, Masaki Azuma. Domain Structure Observation and Design of Phase Transition-type Negative Thermal Expansion Materials, 15th International Symposium on Ferroic Domains & Micro- to Nano-scopic Structures (ISFD-15), 2022.
• K. Takubo, T. Mizokawa, N. Takubo, K. Miyano, N. Matsumoto, S. Nagata. Photo-induced charge-orbital switching in transition-metal compounds probed by photoemission spectroscopy, Lxiii Yamada Conference on Photo-Induced Phase Transition and Cooperative Phenomena, J. Phys.: Conf. Ser., Vol. 148, pp. 012047, Nov. 2009.

[ BibTeX 形式で保存 ]    [ 論文・著書をCSV形式で保存 ]    [ 特許をCSV形式で保存 ]