"V. R. Singh,V. K. Verma,K. Ishigami,G. Shibata,Y. Yamazaki,A. Fujimori,Yukiharu Takeda,Tetsuo Okane,Yuji Saitoh,Hiroshi Yamagami,Y. Nakamura,M. Azuma,Y. Shimakawa","Enhanced ferromagnetic moment in Co-doped BiFeO3 thin films studied by soft x-ray circular dichroism",,"JOURNAL OF APPLIED PHYSICS",,"Vol. 114",,"pp. 103905-1-6",2013,Sept. "Makoto Kubota,Kengo Oka,Yoshitaka Nakamura,Hisato Yabuta,Kaoru Miura,Yuichi Shimakawa,Masaki Azuma","Sm’uŠ·BiFeO?‚Ì‘Š“]ˆÚ‹““®",,"•²‘Ì‚¨‚æ‚Ñ•²–––è‹à",,"Vol. 59","No. 5","pp. 239-245",2012,May "Yoshitaka Nakamura,M. Kawai,Masaki Azuma,Makoto Kubota,M. Shimada,Toshiaki Aiba,Yuichi Shimakawa","Rhombohedral-tetragonal structural change and enhanced piezoelectric constant in (1-x)BiFeO3-xBiCoO3 thin films",,"IOP Conf. Series: Materials Science and Engineering",,"Vol. 18",,"pp. 092017",2011,Nov. "Makoto Kubota,Kengo Oka,Yoshitaka Nakamura,Hisato Yabuta,Kaoru Miura,Yuichi Shimakawa,Masaki Azuma","Sequential Phase Transitions in Sm Substituted BiFeO3",,"Jpn. J. Appl. Phys.",,"Vol. 50","No. 9","pp. 09NE08",2011,Sept. "Yoshitaka Nakamura,Masanori Kawai,Masaki Azuma,Makoto Kubota,M. Shimada,Toshiaki Aiba,Yuichi Shimakawa","Enhanced Piezoelectric Constant of (1- x)BiFeO3?xBiCoO3 Thin Films Grown on LaAIO3 Substrate",,"Jpn. J. Appl. Phys.",,"Vol. 50",,"pp. 031505",2011,Mar.