Journal Paper

• Takehiro Koike, Hena Das, Kengo Oka, Yoshihiro Kusano, Fernando Cubillas, Francisco B. Bojorqez, Victor Emmanuel Alvarez-Montano, Shigekazu Ito, Kei Shigematsu, Hayato Togano, Ikuya Yamada, Hiroki Ishibashi, Kubota Yoshiki, Shigeo Mori, Noboru Kimizuka, Masaki Azuma. Pressure-Induced YbFe2O4-Type to Spinel Structural Change of InGaMgO4, Solids, vol. 5, no. 3, pp. 422-433, Aug. 2024.

International Conference (Reviewed)

• Masaki Azuma, Kei Shigematsu, Hajime Hojo, Keisuke Shimizu, Takuma Itoh, Ko Mibu. Magnetization reversal by electric field in Co substituted BiFeO₃, Spin-Orbital-Lattice correlations induced phenomena in emerging materials (SOLC23), 2024.
• Masaki Azuma, Kei Shigematsu, Hajime Hojo, Keisuke Shimizu, Takuma Itoh. Magnetization reversal by electric field at room temperature in Co substituted bismuth ferrite thin film, The 14th APCTP Workshop on Multiferroics, 2024.
• Masaki Azuma, Kei Shigematsu, Hajime Hojo, Keisuke Shimizu, Takuma Itoh. Magnetization reversal by electric field at room temperature in Co substituted bismuth ferrite thin film, The 14th APCTP Workshop on Multiferroics, 2024.

Domestic Conference (Reviewed)

• Koomok Lee, Hena Das, Yuki Sakai, Takumi Nishikubo, Kei Shigematsu, Daiki Ono, Takehiro Koike, Naomi Kawamura, Masaichiro Mizumaki, Naoki Ishimatsu, Masaki Azuma. Emergence of weak ferromagnetism in High Spin Co³⁺ substituted BiFeO3, The 22nd Japan-Korea-Taiwan Symposium on Strongly Correlated Electron Systems (JKT22), 2024.
• Koomok Lee, Kei Shigematsu, Hena Das, Naomi Kawamura, Masaichiro Mizumaki, Naoki Ishimatsu, Masaki Azum. Emergence of weak ferromagnetism in High Spin Co³⁺ substituted BiFeO₃, Materials Research Society of Japan 2023/ the International Union of Materials Research Societies 2023 (MRM2023/IUMRS-ICA2023), 2024.

Domestic Conference (Not reviewed / Unknown)

• Koomok Lee, Hena Das, Yuki Sakai, Takumi Nishikubo, Kei Shigematsu, Daiki Ono, Takehiro Koike, Naomi Kawamura, Masaichiro Mizumaki, Naoki Ishimatsu, Masaki Azuma. Material Design for Low Power Consumption Multiferroic Memory using High Spin Co³⁺ substituted BiFeO3, 第15回在日科協合同分科会, 2024.
• Hajime Nakayama, 吉川 浩太, Koomok Lee, 安井 学, 金子 智, 黒内 正仁, Kei Shigematsu, Masaki Azuma. 電子線描画HSQをマスクに用いたBiFe_0.9Co_0.1O₃ナノドットの作製, 第71回応用物理学会春季学術講演会, 2024.
• Toshiki Ikumi, Teppei Nagase, Kei Shigematsu, Masaki Azuma, Takafumi Yamamoto. 酸素欠損型ペロブスカイト SrV_0.3Fe_0.7O_2.8 の薄膜作成と構造・物性評価, 第62回セラミックス基礎科学討論会, 2024.

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