"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 Pb<sup>2+</sup> and Pb<sup>4+</sup> in Perovskite PbFeO<sub>3</sub>",,"Chemistry of Materials",,"  36",,"  1899-1907",2024,Feb.
"Yuki Sakai,Shiori Kihara,Shogo Wakazaki,Takumi  Nishikubo,Masayuki Fukuda,Hena Das,Masaichiro Mizumaki,Ko Mibu,Akihiko Machida,Tetsu Watanuki,Masaki Azuma","Systematic charge distribution change in perovskite-type Bi<sub>0.5</sub>Pb<sub>0.5</sub>MO<sub>3 </sub>(M = 3d transition metal)","The 4th International Symposium on Negative Thermal Expansion and Related Materials (ISNTE-4)",,,,,,2024,
"Hena Das,Masaki Azuma","Understanding the mechanisms responsible for the anisotropic thermal expansion in Ca<sub>2</sub>RuO<sub>4</sub> ruthenates through quantum mechanical calculations","The 4th International Symposium on Negative Thermal Expansion and Related Materials (ISNTE-4)",,,,,,2024,
"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 Co<sup>3+</sup> 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 Co<sup>3+</sup> substituted BiFeO<sub>3</sub>","Materials Research Society of Japan 2023/ the International Union of Materials Research Societies 2023 (MRM2023/IUMRS-ICA2023)",,,,,,2024,
"Hena Das,Masaki Azuma","Anisotropic thermal expansion phenomena in Ca2RuO4 type systems","日本セラミックス協会2024年年会",,,,,,2024,
"HENA DAS,Masaki Azuma","Mechanism of anisotropic thermal expansion phenomena in Ca<sub>2</sub>RuO<sub>4</sub>","第62回セラミックス基礎科学討論会",,,,,,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 Co<sup>3+</sup> substituted BiFeO3","第15回在日科協合同分科会",,,,,,2024,