"Hajime Hojo,Ryo Kawabe,Keisuke Shimizu,Hajime Yamamoto,Ko Mibu,Kartik Samanta,Tanusri Saha]Dasgupta,Masaki  Azuma","Ferromagnetism at Room Temperature Induced by Spin Structure Change in BiFe<sub>1</sub>| <sub>x</sub>Co<sub>x</sub>O<sub>3</sub> Thin Films",,"Advanced Materials",,"Vol. 29","No. 9","pp. 1603131-1?1603131-7",2016,Dec.
"Keisuke Shimizu,Hajime Hojo,Yuichi  Ikuhara,Masaki Azuma","Enhanced Piezoelectric Response due to Polarization Rotation in Cobalt]Substituted BiFeO<sub>3</sub> Epitaxial Thin Films",,"Advanced Materials",,"Vol. 28","No. 39","pp. 8639-8644",2016,Aug.
"Runze Yu,Narumi Matsuda,Ken Tominaga,Keisuke Shimizu,Hajime Hojo,Yuki Sakai,Hajime Yamamoto,Kengo Oka,Masaki Azuma","High-Temperature Monoclinic Cc Phase with Reduced c/a Ratio in Bi-based Perovskite Compound Bi<sub>2</sub>ZnTi<sub>1</sub>|<sub>x</sub>Mn<sub>x</sub>O<sub>6</sub>",,"Inorganic Chemistry",,"Vol. 55","No. 12","pp. 6124-6129",2016,June