"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 Li<sub>4</sub>OBr<sub>2</sub> Derivatives with a Layered Inverse-Perovskite Structure",,"Chemistry of Materials",,"  33","  23","  9194-9201",2021,Nov.
"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",,,,,2021,Nov.
"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",2021,Oct.
"Marin Katsumata,Kei Shigematsu,Takuma Itoh,Haruki Shimizu,Keisuke Shimizu,Masaki Azuma","Stabilization of correlated ferroelectric and ferromagnetic domain structures in BiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub>  films",,"Applied Physics Letters",,"  119",,"  132901",2021,Sept.
"Masaki Azuma,Hajime Hojo,Kengo Oka,Hajime Yamamoto,Keisuke Shimizu,Kei Shigematsu,Yuki Sakai","Functional Transition Metal Perovskite Oxides with 6s<sup>2</sup> Lone Pair Activity Stabilized by High-Pressure Synthesis",,"Annual Review of Materials Research",,"  51",,"  329-349",2021,May
"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",,,,,2021,Mar.
"Yukimasa Fukada,Ryota Fukuyama,Kosuke Fujiwara,Kenji Yoshii,Kei Shigematsu,Masaki Azuma,Naoshi Ikeda","Analysis of Glass Behavior of Lu<sub>2</sub>Fe<sub>3</sub>O<sub>7</sub> with Distributed Equivalent Circuit Model",,"Journal of the Physical Society of Japan",,"  90",,"  024710",2021,Jan.
"Takuma Ito,勝俣 真綸,Kei Shigematsu,Masaki Azuma","強誘電性・強磁性が共存するBiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub>薄膜のtrailing fieldを用いたドメイン制御","強誘電体会議FMA38",,,,,,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BiFeO<sub>3</sub>薄膜における電場印加磁化反転","ナノ討論会",,,,,,2021,
"Takuma Itoh,Marin Katsumata,Kei Shigematsu,Masaki Azuma","Control of ferromagnetic and ferroelectric domains in BiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3 </sub>thin films by utilizing trailing fields","IEEE ISAF2021",,,,,,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,
"Masaki Azuma,Kei Shigematsu,北條 元,Kou Mibu","BiFe<sub>1-x</sub>Co<sub>x</sub>O<sub>3</sub>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~",,"NanotechJapan Bulletin",,"  13","  4",,2021,
"Kei Shigematsu,Keita Ozawa,Marin Katsumata,Masaki Azuma","Observation of ferroelectric and ferromagnetic domains of BiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub> nanodot array by using anodic porous alumina mask","MATERIALS RESEARCH MEETING(MRM)2021",,,,,,2021,
"Takuma Itoh,勝俣 真綸,Kei Shigematsu,Masaki Azuma","マルチフェロイックBiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub> 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,
"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 Li<sub>4</sub>OBr<sub>2-x</sub>I<sub>x</sub>","STAC12",,,,,,2021,
"Koomok Lee,Kei Shigematsu,Masaki Azuma","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,