"Junghwan Kim,Takumi Sekiya,Norihiko Miyokawa,Naoto Watanabe,Koji Kimoto,Keisuke Ide,Yoshitake Toda,Shigenori Ueda,Naoki Ohashi,Hidenori Hiramatsu,Hideo Hosono,Toshio Kamiya","Conversion of an ultra-wide bandgap amorphous oxide insulator to a semiconductor",,"NPG Asia Materials",,"vol. 9",,"p. e359",2017,Mar.
"Junghwan Kim,Norihiko Miyokawa,Takumi Sekiya,Keisuke Ide,Yoshitake Toda,Hidenori Hiramatsu,Hideo Hosono,Toshio Kamiya","Ultrawide band gap amorphous oxide semiconductor, Ga?Zn?O",,"Thin Solid Films",,"Vol. 614",,"pp. 84-89",2016,Sept.