論文

• 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.
• Ikeda M, Jalem R, Hasegawa G, Kuwata N, Liu Q, Yamamoto T, Shigematsu K., Tateyama Y, Azuma M. Theoretical Prediction and High-Pressure Synthesis of New LISICON-Type Solid-State Electrolyte Li_2.75[B_0.625P_0.125S_0.25]O_3.375, The Journal of Physical Chemistry C, 127, 29, 14117-14124, July 2023.
• Takuma Itoh, Kei Shigematsu, Takumi Nishikubo, MasakiAzuma. Out‑of‑plane polarization reversal and changes in in‑plane ferroelectric and ferromagnetic domains of multiferroic BiFe_0.9Co_0.1O₃ thin flms by water printing, Scientifc Reports, 13, 7236, May 2023.
• Kei Shigematsu, Marin Katsumata, Takuma Itoh, Keita Ozawa, Haruki Shimizu, Keisuke Shimizu, Masaki Azuma. Magnetic Domain Change Induced by In-Plane Electric Polarization Switching in Bi(Fe, Co)O₃ Thin Film, Advanced Physics Research, 2, 220009, Apr. 2023.
• Hiroshi Nakajima, Akihiro Osako, NoriharuYodoshi, YoshiharuYamada, HirofumiTsukasaki, Ken Harada, Yuki Sakai, Kei Shigematsu, Takumi Nishikubo, Masaki Azuma, Shigeo Mori. Magnetization controlled by crystallization in soft magnetic Fe-Si-B-P-Cu alloys, Microscopy, 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.
• Takuya Ohmi, Tomoaki Miura, Kei Shigematsu, Alexandra A. Koegel, Brian S. Newell, James R. Neilson, Tadaaki Ikoma, Masaki Azuma, Takafumi Yamamoto. Temperature-induced structural transition in an organic–inorganic hybrid layered perovskite (MA)2PbI2−xBrx(SCN)2, CrystEngComm, Volume 24, Issue 30, Page 5428-5434, June 2022.  公式リンク  
  
• Teppei Nagase, Takumi Nishikubo, Masayuki Fukuda, Yuki Sakai, Kei Shigematsu, Yoichi Ikeda, Yusuke Nambu, Zhang Qiang, masaaki matsuda, Kou Mibu, Masaki Azuma, Takafumi Yamamoto. SrV_0.3Fe_0.7O_2.8: A Vacancy-Ordered Fe-Based Perovskite Exhibiting Room-Temperature Magnetoresistance, Inorganic Chemistry, Vol. 61, No. 24, pp. 8987-8991, June 2022.  公式リンク  
  
• 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.
• Takuma Itoh, Marin Katsumata, Kei Shigematsu, Masaki Azuma. Control of ferroelectric and ferromagnetic domains in BiFe_0.9Co_0.1O₃ thin films by utilizing trailing fields, Applied Physics Express, 15, 2, 023002, Jan. 2022.
• Shogo Wakazaki, Qiumin Liu, Randy Jalem, Takumi Nishikubo, Yuki Sakai, Naoki Matsui, Guowei Zhao, Kota Suzuki, Kei Shigematsu, Takafumi Yamamoto, Ryoji Kanno, Hena Das, Yoshitaka Tateyama, Masaki Azuma. High-Pressure Synthesis and Lithium-Ion Conduction of Li4OBr2 Derivatives with a Layered Inverse-Perovskite Structure, Chemistry of Materials 2021, 33, 23, Nov. 2021.
• Shogo Wakazaki, Qiumin Liu, Randy Jalem, Takumi Nishikubo, Yuki Sakai, Naoki Matsui, Guowei Zhao, Kota Suzuki, Kei Shigematsu, Takafumi Yamamoto, Ryoji Kanno, Hena Das, Yoshitaka Tateyama, Masaki Azuma. High-Pressure Synthesis and Lithium-Ion Conduction of Li₄OBr₂ Derivatives with a Layered Inverse-Perovskite Structure, Chemistry of Materials, 33, 23, 9194-9201, Nov. 2021.
• Hajime Yamamoto, Terutoshi Sakakura, Harald O. Jeschke, Noriyuki Kabeya, Kanata Hayashi, Yuya Ishikawa, Yutaka Fujii, Shunji Kishimoto, Hajime Sagayama, Kei Shigematsu, Masaki Azuma, Akira Ochiai, Yukio Noda, Hiroyuki Kimura. Quantum spin fluctuations and hydrogen bond network in the antiferromagnetic natural mineral henmilite, Physical Review Materials, 5, 104405, Oct. 2021.
• Marin Katsumata, Kei Shigematsu, Takuma Itoh, Haruki Shimizu, Keisuke Shimizu, Masaki Azuma. Stabilization of correlated ferroelectric and ferromagnetic domain structures in BiFe_0.9Co_0.1O₃ films, Applied Physics Letters, 119, 132901, Sept. 2021.
• Masaki Azuma, Hajime Hojo, Kengo Oka, Hajime Yamamoto, Keisuke Shimizu, Kei Shigematsu, Yuki Sakai. Functional Transition Metal Perovskite Oxides with 6s² Lone Pair Activity Stabilized by High-Pressure Synthesis, Annual Review of Materials Research, 51, 329-349, May 2021.
• Masaki Ozeki, Victoria Warne-Lang, Hirofumi Tsukasaki, Naoyuki Katayama, Yoshihiko Okamoto, Shigeo Mori, Koshi Takenaka, Masaki Azuma, Hajime Hojo, Kengo Oka, Hajime Yamamoto, Keisuke Shimizu, Kei Shigematsu, Yuki Sakai. Functional Transition Metal Perovskite Oxides with 6s2 Lone Pair Activity Stabilized by High-Pressure Synthesis, Annual Review of Materials Research, Annual Review of Materials Research, Mar. 2021.
• Yukimasa Fukada, Ryota Fukuyama, Kosuke Fujiwara, Kenji Yoshii, Kei Shigematsu, Masaki Azuma, Naoshi Ikeda. Analysis of Glass Behavior of Lu₂Fe₃O₇ with Distributed Equivalent Circuit Model, Journal of the Physical Society of Japan, 90, 024710, Jan. 2021.
• 東 正樹, 重松 圭, 北條 元, 壬生 攻. BiFe_1-xCo_xO₃薄膜のスピン構造変化~電場による磁化の反転に成功、次世代低消費電力磁気メモリ実現の道拓く~, 文部科学省ナノテクノロジープラットホーム, 13, 4, 2021.
• Wakazaki Shogo, Nishikubo Takumi, Sakai Yuki, Shigematsu Kei, Das Hena, Zhang Depei, Zhang Qiang, Matsuda Masaaki, Azuma Masaki. Stabilized Charge, Spin, and Orbital Ordering by the 6s² Lone Pair in Bi_0.5Pb_0.5MnO₃, INORGANIC CHEMISTRY, 59, 18, 13390-13397, Sept. 2020.
• Yamamoto Hajime, Sekikawa Satoru, Taniguchi Haruka, Matsukawa Michiaki, Shigematsu Kei, Honda Takashi, Yamauchi Kunihiko, Ikeda Kazutaka, Otomo Toshiya, Sakakura Terutoshi, Azuma Masaki, Nimori Shigeki, Noda Yukio, Kimura Hiroyuki. Reversible thermally controlled spontaneous magnetization switching in perovskite-type manganite, APPLIED PHYSICS LETTERS, Volume 117, Issue 11, Sept. 2020.
• Yuya Komatsu, Ryota Shimizu, Markus Wilde, Shigeru Kobayashi, Yuki Sasahara, Kazunori Nishio, Kei Shigematsu, Akira Ohtomo, Katsuyuki Fukutani, Taro Hitosugi. Epitaxial Thin Film Growth of Europium Dihydride, Cryst. Growth. Des., 20, 9, 5903 - 5907, Aug. 2020.
• Hajime Yamamoto, Kaoru Toda, Yuki Sakai, Takumi Nishikubo, Ikuya Yamada, Kei Shigematsu, Masaki Azuma, Hajime Sagayama, Masaichiro Mizumaki, Kiyofumi Nitta, Hiroyuki Kimura. Emergence of a Cubic Phase Stabilized by Intermetallic Charge Transfer in (1 – x)PbVO₃–xBiCoO₃ Solid Solutions, CHEMISTRY OF MATERIALS, 32, 16, 6892-6897, July 2020.
• Kei Shigematsu, Haruki Shimizu, Marin Katsumata, Keisuke Shimizu, Hajime Yamamoto, Ko Mibu, Masaki Azuma. Stable electric polarization switching accompanied by magnetization reversal in B-site-substituted multiferroic BiFe_0.9Co_0.1O₃ thin films, APPLIED PHYSICS EXPRESS, 13, 7, June 2020.
• Hongwu Yu, Kou Takubo, Tadahiko Ishikawa, Shin-ya Koshihara, Masaki Hada, Toru Asaka, Keita Ozawa, Kei Shigematsu, Masaki Azuma, Yoichi Okimoto. Ultrafast Nonlinear Spectroscopy in (111) Oriented Bismuth Ferrite Oxide, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 89, 6, May 2020.
• Keisuke Shimizu, Ryo Kawabe, Hajime Hojo, Haruki Shimizu, Hajime Yamamoto, Marin Katsumata, Kei Shigematsu, Ko Mibu, Yu Kumagai, Fumiyasu Oba, Masaki Azuma. Direct Observation of Magnetization Reversal by Electric Field at Room Temperature in Co-Substituted Bismuth Ferrite Thin Film, NANO LETT., Vol. 19, No. 3, pp. 1767–1773, Jan. 2019.
• Kei Shigematsu, Takeshi Asakura, Hajime Yamamoto, Keisuke Shimizu, Marin Katsumata, Haruki Shimizu, Yuki Sakai, Hajime Hojo, Ko Mibu, Masaki Azuma. Room temperature ferromagnetism in BiFe_1-xMn_xO₃ thin film induced by spin-structure manipulation, Applied Physics Letters., Vol. 112, p. 192905, May 2018.
• H. Yamamoto, Y. Sakai, K. Shigematsu, T. Aoyama, T. Kimura, M. Azuma. Reorientation of the Magnetic Easy Plane in a Co-Substituted BiFeO₃ Single Crystal, Inorganic Chemistry, Vol. 56, No. 24, pp. 15171-15177, Dec. 2017.
• Tankanori Yamazaki, Kei Shigematsu, Yasushi Hirose, Shoichiro Nakao, Isao Harayama, Daiichiro Sekiba, Tetsuya Hasegawa. Amorphous ZnOxNy thin films with high electron Hall mobility exceeding 200 cm2V-1s-1, Appl. Phys. Lett., Vol. 109, p. 262101, Dec. 2016.
• Tsukasa Katayama, Akira Chikamatsu, Keisuke Yamada, Kei Shigematsu, Tomoya Onozuka, Makoto Minohara, Hiroshi Kumigashira, Eiji Ikenaga, Tetsuya Hasegawa. Epitaxial growth and electronic structure of oxyhydride SrVO2H thin films, Aug. 2016.
• Janne-Petteri Niemelä, Yasushi Hirose, Kei Shigematsu, Masahito Sano, Tetsuya Hasegawa, Karppinen Maarit. Suppressed grain-boundary scattering in atomic layer deposited Nb: TiO2 thin films, Appl. Phys. Lett., Vol. 107, No. 19, pp. 192102, Nov. 2015.
• Kaori Kurita, Akira Chikamatsu, Kei Shigematsu, Tsukasa Katayama, Hiroshi Kumigashira, Tomoteru Fukumura, Tetsuya Hasegawa. Effects of Cr substitution on the magnetic and transport properties and electronic states of SrRu O 3 epitaxial thin films, Phys. Rev. B, vol. 92, p. 115153, Sept. 2015.
• Shen Xi, Akira Chikamatsu, Kei Shigematsu, Yasushi Hirose, Tomoteru Fukumura, Tetsuya Hasegawa. Metallic transport and large anomalous Hall effect at room temperature in ferrimagnetic Mn4N epitaxial thin film, Applied Physics Letters, Vol. 105, No. 7, pp. 072410, Aug. 2014.
• Kei Shigematsu, Akira Chikamatsu, Yasushi Hirose, Tomoteru Fukumura, Tetsuya Hasegawa. Enhanced coercivity of half-metallic La0. 7Sr0. 3MnO3 by Ru substitution under in-plane uniaxial strain, Apr. 2012.

国際会議発表 (査読有り)

• 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.
• 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, Ko Mibu. Magnetization Reversal by Electric Field in Co Substituted BiFeO₃, PACRIM15・CICC-13, 2023.
• 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.
• Takuma Itoh, Marin Katsumata, Kei Shigematsu, Masaki Azuma. Magnetization Reversal in BiFe0.9Co0.1O3 Thin Films 2 -Control of Ferroelectric and Ferromagnetic Domains by Trailing Fields-, 2022 MRS FALL MEETING, 2022.
• Kei Shigematsu, Keisuke Shimizu, Ryo Kawabe, Hajime Hojo, Haruki Shimizu, Marin Katsumata, Hajime Yamamoto, Ko Mibu, Masaki Azuma. Magnetization Reversal in BiFe_0.9Co_0.1O₃ Thin films 1 -Spin Structure and Magnetization Reversal by Electric Field at Room Temperature in Co-Substituted Bismuth Ferrite Thin Film, 2022 MRS FALL MEETING, 2022.
• Kei Shigematsu, Takuma Itoh, Marin Katsumata, Masaki Azuma. Magnetization reversal by electric field in Co-substituted BiFeO3 under a control of domains by trailing fields, 15th International Symposium on Ferroic Domains & Micro- to Nano-scopic Structures (ISFD-15), 2022.
• Masaki Azuma, Kei Shigematsu, Keisuke Shimizu, Takuma Ito, Marin Katsumata, Keita Ozawa, Hajime Hojo, Ko Mibu. MAGNETIZATION REVERSAL BY ELECTRIC FIELD AT ROOM TEMPERATURE IN Co SUBSTITUTED BISMUTH FERRITE THIN FILM, International Materials Research Congress 2022, 2022.
• Masaki Azuma, Kei Shigematsu, Keisuke Shimizu, Takuma Ito, Marin Katsumata, Keita Ozawa, Hajime Hojo, Ko Mibu. MAGNETIZATION REVERSAL BY ELECTRIC FIELD AT ROOM TEMPERATURE IN Co SUBSTITUTED BISMUTH FERRITE THIN FILM, International Materials Research Congress 2022, 2021.
• Liu Qiu Min, Shogo Wakazaki, Takumi Nishikubo, Kei Shigematsu, Takafumi Yamamoto, Naoki Matsui, Kota Suzuki, Ryoji Kanno, Randy Jalem, Yoshitaka Tateyama, Masaki Azuma. Structure change and Li-ion conductivity of layered anti-perovskite Li₄OBr_2-xI_x, STAC12, 2021.
• Kei Shigematsu, Keita Ozawa, Marin Katsumata, Masaki Azuma. Observation of ferroelectric and ferromagnetic domains of BiFe_0.9Co_0.1O₃ nanodot array by using anodic porous alumina mask, MATERIALS RESEARCH MEETING(MRM)2021, 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.
• 小野 大樹, 西久保 匠, 酒井 雄樹, 重松 圭, 東 正樹. マルチフェロイック物質 BiFeO₃ の 4d,5d 元素置換による弱強磁性化, 粉体粉末冶金協会2023年度秋季大会, 2023.
• 重松 圭, 勝俣 真綸, 伊藤 拓真, 小澤 慶太, 清水 陽樹, 清水 啓佑, 東 正樹. Bi(Fe, Co)O₃の面内電場印加によって生じる磁気ドメイン変化の観察, 第33回日本MRS学会, 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.
• 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.
• 長瀬 鉄平, 西久保 匠, 酒井 雄樹, 重松 圭, 東 正樹, 山本 隆文. カチオン秩序型ペロブスカイト酸化物 SrV_0.3Fe_0.7O₃の合成と物性評価, 日本セラミックス協会第36回秋季シンポジウム, 2023.
• 栃沢 晴希, 西久保 匠, 酒井 雄樹, 重松 圭, 東 正樹, 山本 隆文. 圧力を利用した酸水素化物におけるアニオン配列の制御, 日本セラミックス協会第35回秋季シンポジウム, 2023.
• 重松圭, 長瀬泰仁, 伊藤拓真, 東正樹. 陽極酸化アルミナマスクの孔径変化によるCo置換BiFeO₃の強誘電・強磁性ドメイン変化, 第40回強誘電体会議, 2023.
• 小野 大樹, 西久保 匠, 酒井 雄樹, 重松 圭, 東 正樹. マルチフェロイック物質BiFeO₃の４ｄ、５ｄ元素置換による弱強磁性化, 日本セラミックス協会2023年年会, 2023.
• 伊藤 拓真, 重松 圭, 東 正樹. (110)配向マルチフェロイックBiFe_0.9Co_0.1O₃薄膜の面内 電場印加による強誘電性・強磁性ドメイン構造変化, 第83回応用物理学会秋季学術講演会, 2022.
• 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.
• 伊藤 拓真, 重松 圭, 東 正樹. 強誘電性・強磁性を併せ持つBiFe_0.9Co_0.1O₃薄膜のWater printing による面外分極反転とドメイン制御, 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.
• 伊藤 拓真, 重松 圭, 東 正樹. Water printingによる マルチフェロイックBiFe_0.9Co_0.1O₃ 薄膜 の面外分極反転と強誘電性・強磁性 ドメイン制御, 第69回応用物理学会春季学術講演会, 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.
• 伊藤 龍寿, 大見 拓也, 西久保 匠, 酒井 雄樹, 重松 圭, 東 正樹, 山本 隆文. Co²⁺を利用したチオシアン酸アニオンを含む新規有機-無機ハイブリッド化合物 の構造と磁性, 日本セラミックス協会 第 35 回秋季シンポジウム, 2022.
• 岡島 慈英, 東 正樹, 重松 圭. マルチフェロイックBiFe_0.9Co_0.1O₃薄膜のデバイス化に向けたフォトリソグラフィによるナノドット作製, 粉体粉末冶金協会2022年度秋季大会, 2022.
• 長瀬 鉄平, 西久保 匠, 重松 圭, 東 正樹, 山本 隆文, 壬生 攻, 南部 雄亮, 池田 陽一, 松田 雅昌. (111)面に酸素欠損が秩序化したペロブスカイト型酸化物の合成・同定, 日本セラミックス協会 2022年年会, 2022.
• 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.
• 伊藤拓真, 勝俣 真綸, 重松 圭, 東 正樹. 強誘電性・強磁性が共存するBiFe_0.9Co_0.1O₃薄膜のtrailing fieldを用いたドメイン制御, 強誘電体会議FMA38, 2021.
• Kei Shigematsu, Masaki Azuma. Direct Observation of Magnetization Reversal by Polarization Switching inMultiferroic Cobalt-Substituted Bismuth Ferrite Thin Film, 8th International Congress on Ceramics(ICC8), 2021.
• 東 正樹, 清水啓佑, 勝俣真綸, 小澤慶太, 重松 圭, 北條 元, 壬生 攻. Co置換BiFeO₃薄膜における電場印加磁化反転, ナノ討論会, 2021.
• 伊藤 拓真, 勝俣 真綸, 重松 圭, 東 正樹. マルチフェロイックBiFe_0.9Co_0.1O₃ 薄膜におけるtrailing fieldを用いた強誘電 性 ・強磁性ストライプドメイン形成と制御, 粉体粉末冶金秋季大会, 2021.
• 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.
• 若崎翔吾, 西久保匠, 重松圭, 山本隆文, 東正樹, 松井直喜, 鈴木耕太, 菅野了次, Jalem Randy, 館山佳尚. 層状逆ペロブスカイト型Li4O(Br,F)2の高圧合成とLiイオン伝導, 第46回固体イオニクス会, Dec. 2020.

国際会議発表 (査読なし・不明)

• Takuma Itoh, Marin Katsumata, Kei Shigematsu, Masaki Azuma. Control of ferromagnetic and ferroelectric domains in BiFe_0.9Co_0.1O₃ thin films by utilizing trailing fields, IEEE ISAF2021, 2021.
• K. Shigematsu, T. Asakura, H. Yamamoto, K. Shimizu, M. Katsumata, H. Shimizu, Y. Sakai, H. Hojo, K. Mibu, M. Azuma. Room temperature ferromagnetism in BiFe1−xMnxO3 thin film induced by spin-structure manipulation, iLIM-3, Sept. 2018.
• Hirokazu Kyokane, Keisuke Shimizu, Kei Shigematsu, Hajime Hojo, Masaki Azuma. Fabrication of Strain-induced Tetragonal Sr1-xBaxVO3 Thin Film, ISNTE-II, Dec. 2017.
• Haruki Shimizu, Keisuke Shimizu, Hajime Yamamoto, Hajime Hojo, Kei Shigematsu, Masaki Azuma. Stable polarization reversal in third elements substituted multiferroic BiFe0.9Co0.1O3 thin films, The 9th APCTP Workshop on Multiferroics, Nov. 2017.
• Keisuke Shimizu, Ryo Kawabe, Hajime Yamamoto, Hajime Hojo, Kei Shigematsu, Masaki Azuma. Direct observation of magnetization reversal by polarization switching in multiferroic Co-substituted BiFeO3 thin film, The 9th APCTP Workshop on Multiferroics, Nov. 2017.
• H. Kyokane, K. Shimizu, K. Shigematsu, H. Hojo, M. Azuma. Fabrication of Tetragonal Sr1-xBaxVO3 Thin Film with d1 Configuration, ICMaSS2017, Sept. 2017.

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.
• 生見俊樹, 長瀬鉄平, 重松圭, 東正樹, 山本隆文. 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.
• 上野 俊輔, 石川 忠彦, 田久保 耕, 沖本 洋一, 腰原 伸也, 伊藤 拓真, 小野 大樹, 重松 圭, 東 正樹. 光学ポンププローブ測定から見たBiFeO3薄膜の光誘起ダイナミクス, 第33回日本MRS年次大会, Nov. 2023.
• Takuma Itoh, Kei Shigematsu, Peter Meisenheimer, Paul Stevenson, Ramamoorthy Ramesh, Masaki Azuma. Electric-field-driven reversal of ferromagnetism in (110)-oriented single phase multiferroic Co-substituted BiFeO₃ thin films, The 14th APCTP Workshop on Multiferroics, 2023.
• Kei Shigematsu, Marin Katsumata, Takuma Itoh, Keita Ozawa, Haruki Shimizu, Keisuke Shimizu, Masaki Azum. Magnetic Domain Change Induced by In-Plane Electric Polarization Switching in Bi(Fe、Co)O₃ Thin Film, The 14th APCTP Workshop on Multiferroics, 2023.
• 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.
• 田久保耕, 金子水咲, 于洪武, 石川忠彦, 沖本洋一, 腰原伸也, 矢嶋渉, 羽田真毅, 桑原真人, 小澤慶太, 伊藤拓真, 重松圭, 東正樹. BiFeO3/SrTiO3(111) 薄膜のポンププローブ電子線回折測定, 日本物理学会 2022年秋季大会, Sept. 2022.
• 長瀬泰仁, 伊藤拓真, 重松 圭, 東 正樹. マロン酸陽極酸化アルミナマスクを用いた BiFe_0.9Co_0.1O₃ ナノドットの作製, 第83回応用物理学会秋季学術講演会, 2022.
• 長瀬鉄平, 西久保匠, 酒井雄樹, 重松圭, 東正樹, 山本隆文, 壬生攻, 南部雄亮, 池田陽一, 松田 雅昌. 酸素欠損型ペロブスカイトSrV_0.3Fe_0.7O_2.8における磁気抵抗効果, 日本セラミックス協会 第35回秋季シンポジウム, 2022.
• 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.
• 山本 一理, 清水 啓佑, 重松 圭, 東 正樹. 四重ペロブスカイトCeCu3Mn4O12薄膜の格子歪みによる磁気異方性の制御, 粉体粉末冶金協会 平成30年度秋季大会, Oct. 2018.
• 重松 圭, 山本 一理, 清水 啓佑, 西久保 匠, 酒井雄樹, 東 正樹. フェリ磁性体四重ペロブスカイト型LnCu3Mn4O12薄膜の電子状態, Sept. 2018.
• 勝俣真綸, 清水陽樹, 清水啓佑, 重松圭, 東正樹. Bサイト置換BiFeO3薄膜の強誘電・磁性ドメイン構造変化, 応用物理学会, Sept. 2018.
• 勝俣真綸, 清水陽樹, 清水啓佑, 重松圭, 東正樹. マルチフェロイックBiFe1−xMnxO3薄膜の強誘電・強磁性ドメイン観察, 第3回固体化学フォーラム, June 2018.
• 重松 圭. Bi(Fe,Mn)O3におけるスピン構造制御：高圧合成試料とエピタキシャル薄膜との比較, 第3回固体化学フォーラム, June 2018.
• 山本 一理, 清水 啓佑, 重松 圭, 東 正樹. 四重ペロブスカイトLaCu3Mn4-xFexO12薄膜の作製と磁気特性, 第65回応用物理学会春季学術講演会, Mar. 2018.
• 清水 啓佑, 重松 圭, 東 正樹. 四重ペロブスカイトLnCu3Mn4O12薄膜の作製と室温フェ リ磁性, 応用物理学会秋季学術講演会, Sept. 2017.
• 清水陽樹, 清水啓佑, 山本孟, 北條元, 重松圭, 東正樹. マルチフェロイックBiFe0.9Fe0.1O3薄膜への第3元素置換, Sept. 2017.
• 重松 圭, 清水 啓佑, 東 正樹. パルスレーザー堆積法による四重ペロブスカイト酸化物の薄膜合成, 第78回応用物理学会秋季学術講演会, Sept. 2017.
• 浅倉 武志, 山本 孟, 清水 啓佑, 重松 圭, 北條 元, 壬生 攻, 東 正樹. BiFe1-xMn xO3のスピン構造変化, 応用物理学会, Mar. 2017.
• 浅倉武志, 山本孟, 清水啓佑, 重松圭, 北條元, 壬生攻, 東正樹. BiFe1-xMn xO3のスピン構造変化, 第55回セラミックス基礎科学討論会, Jan. 2017.
• Kei Shigematsu, Akira Chikamatsu, Tomoteru Fukumura, Satoshi Toyoda. Sr2MgMoO6− δ thin films fabricated using pulsed-laser deposition with high concentrations of oxygen vacancies, June 2014.

その他の論文・著書など

• 重松 圭, 清水啓佑, 北條 元, 東 正樹. コバルト置換ビスマスフェライト薄膜における電場印加磁化反転, 日本物理学会誌, 78, 12, Dec. 2023.

特許など

• 東正樹, 重松圭, 清水啓佑, 山本　一理, 酒井　雄樹. 積層体. 特許. 公開. 国立大学法人東京工業大学, 地方独立行政法人神奈川県立産業技術総合研究所（KISTEC）. 2019/09/25. 特願2019-174070. 2021/04/01. 特開2021-050116. 2021.

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