"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<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3 </sub>thin films",,"APPLIED PHYSICS EXPRESS",,"  13","  7",,2020,June
"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",2019,Jan.
"�Ÿ–“�^ãd,�´�…—zŽ÷,�´�…Œ[—C,�d�¼Œ\,“Œ�³Ž÷","BƒTƒCƒg’uŠ·BiFeO3”––Œ‚Ì‹­—U“d�EŽ¥�«ƒhƒ�ƒCƒ“�\‘¢•Ï‰»","‰ž—p•¨—�Šw‰ï",,,,,,2018,Sept.
"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",,,,,,2018,Sept.
"�Ÿ–“�^ãd,�´�…—zŽ÷,�´�…Œ[—C,�d�¼Œ\,“Œ�³Ž÷","ƒ}ƒ‹ƒ`ƒtƒFƒ�ƒCƒbƒNBiFe1�|xMnxO3”––Œ‚Ì‹­—U“d�E‹­Ž¥�«ƒhƒ�ƒCƒ“ŠÏŽ@","‘æ3‰ñŒÅ‘̉»ŠwƒtƒH�[ƒ‰ƒ€",,,,,,2018,June
"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<sub>1</sub><sub>-</sub><sub>x</sub>Mn<sub>x</sub>O<sub>3</sub> thin film induced by spin-structure manipulation",,"Applied Physics Letters.",,"Vol. 112",,"p. 192905",2018,May