論文

• Qiu min Liu, Hena Das, Takumi Nishikubo, Yuki Sakai, Ko Mibu, Tomoko Onoue, Takateru Kawakami, Tetsu Watanuki, Akihiko Machida, Xubin Ye, Jianhong Dai, Zhao Pan, Lei Hu, Satoshi Nakano, Masayuki Fukuda, Shiori Kihara, Koomok Lee, Takehiro Koike, Youwen Long, Masaki Azum. ressure Induced Amorphization of Pb²⁺ and Pb⁴⁺ in Perovskite PbFeO₃, Chemistry of Materials, 36, 1899-1907, Feb. 2024.
• Botao Gao, Zhengyang Zhou, Shiqing Deng, Koomok Lee, Masayuki Fukuda, Lei Hu, Masaki Azuma, Hui Liu, Jun Chen. Emergent Three-Dimensional Electric Dipole Sinewave in Bulk Perovskite Oxide, Nano Letters, 24, 10, 3118-3124, Feb. 2024.
• Masayuki Fukuda, Hidenobu Murata, Takumi Nishikubo, Qiumin Liu, Koomok Lee, Takehiro Koike, Yuma Takahashi, Saori I. Kawaguchi, Naohisa Hirao, Hiroshi Funakubo, Masaki Azuma. Suppression of Pressure-Induced Phase Transitions in a Monoclinically Distorted LiNbO₃-Type CuNbO₃ by Preference for a CuO₃ Triangular Coordination Environment, Inorganic Chemistry, 61, 32, 12719-12725, Aug. 2022.
• Koomok Lee, Kei Shigematsu, Masaki Azuma. Heteroepitaxial growth of InSb thin film on SrTiO₃ (001) by pulsed laser deposition for magnetic Hall sensor application, Japanese Journal of Applied Physics, 61, 8, 080902, July 2022.
• Koomok Lee, Kei Shigematsu, Hena Das, Masaki Azuma. Exploring the correlation between the spin-state configuration and the magnetic order in Co-substituted BiFeO₃, Physical Review Materials, 6, 064401, June 2022.
• Takahiro Ogata, Yuki Sakai, Takumi Nishikubo, Takashi Mizokawa, Masaichiro Mizumaki, Koomok Lee, Qiumin Liu, Masaki Azuma. Intermetallic Charge Transfer in V-Substituted PbCrO₃, Inorganic Chemistry, 60, 13, 9427-9431, Apr. 2021.

国際会議発表 (査読有り)

• Koomok Lee, Kei Shigematsu, Das Hena, Masaki Azuma. Exploring the Correlation Between the Spin-State Configuration and the Magnetic Order in Co-Substituted BiFeO₃, 2022 MRS FALL MEETING, 2022.
• Koomok Lee, Keita Ozawa, Hena Das, Masaki Azuma. Theoretical investigations of the origin of canted ferromagnetism in Co doped BiFeO₃ multife, STAC12, 2021.

国内会議発表 (査読有り)

• 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.
• Koomok Lee, Kei Shigematsu, Hena Das, Naomi Kawamura, Masaichiro Mizumaki, Naoki Ishimatsu, Masaki Azuma. Emergence of weak ferromagnetism in High Spin Co³⁺ substituted BiFeO₃, The 14th APCTP Workshop on Multiferroics, 2023.
• LEE KOOMOK, Kei Shigematsu, Hena Das, Naomi Kawamura, Masaichiro Mizumaki, Naoki Ishimatsu, Masaki Azuma. Emergence of weak ferromagnetism in High Spin Co³⁺ substituted BiFeO₃ , MRM2023/IUMRS-ICA2023, 2023.
• LEE KOOMOK, 重松 圭, 東 正樹. Co 置換BiFeO₃上へのInSb 磁気センサ薄膜の製作, 第83回応用物理学会秋季学術講演会, 2022.
• Koomok Lee, 重松 圭, 東 正樹. Co 置換BiFeO₃上へのInSb磁気センサ薄膜の製作, 第39回強誘電体応用会議（FMA39）, 2022.
• LEE KOOMOK, 重松 圭, 東 正樹. Co置換BiFeO₃薄膜上へのInSb ホールセンサの製作, 日本セラミックス協会 第35回秋季シンポジウム, 2022.
• Koomok Lee, Kei Shigematsu, Masaki Azuma. Fabric of Epitaxial INSb Thin Film on Various Perovskite Oxide Substrates, 応用物理学会秋季学術講演会, 2021.
• Koomok Lee, 重松圭, 東正樹. 酸化物基板上へのInSbエピタキシャル薄膜の製作, 応用物理学会秋季学術講演会, 2021.

国内会議発表 (査読なし・不明)

• 中山 創, 吉川 浩太, Lee Koomok, 安井 学, 金子 智, 黒内 正仁, 重松 圭, 東 正樹. 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.
• 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.
• Koomok Lee, Kei Shigematsu, Hena Das, Naomi Kawamura, Masaichiro Mizumaki, Naoki Ishimatsu, Masaki Azuma. Emergence of weak ferromagnetism in High Spin Co³⁺ substituted BiFeO₃, The 14th APCTP Workshop on Multiferroics, 2023.
• Koomok Lee, Hena Das, Kei Shigematsu, Masaki Azuma. Theoretical investigations of the canted antiferromagnetism in Co doped BiFeO₃, 応用物理学会, 2022.

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