"Yoshiaki Hirai,Yukiya Hidaka,Yasuyoshi Kurokawa,Akira Yamada","Improvement of the Band Profile of Cu(In,Ga)Se2 Solar Cells with High-Ga Content Prepared Using a Five-Stage Method",,"Japanese Journal of Applied Physics","The Japan Society of Applied Physics","  51",,"  10NC03",2012,Oct.
"Akira Yamada,Xianfeng Zhang,Satoshi Oonishi,Hiroshi Nagashima,Yukiya Hidaka,Yuta Nakajima,Tsuyoshi Kobayashi,Yoshiaki Hirai,Yasuyoshi Kurokawa","Approaches to realization of Cu(InGa)Se2-based tandem solar cells","International Symposium on Innovative Solar Cells 2010",,,,,,2010,Oct.
"Y. Hidaka,Akira Yamada,Makoto Konagai","SIMS and EBIC evaluations of high-Ga Cu(InGa)Se2 solar cells grown by three-stage process","The 37th International Symposium on Compound Semiconductors",,,,,,2010,June
"“c‘ã�D”V,‘å’Ë�^�O,àF’Jˆê�¬,ŽR�è ‹œ,ät–؉ë”V,“ú�‚—IŽ÷–í,ŽR“c –¾,�¬’·ˆä�½","CIGS”––Œ‘¾—z“d’rZn(S,O,OH)ƒoƒbƒtƒ@‘w‚¨‚æ‚Ñ�Ú�‡ŠE–Ê‚Ì�\‘¢•]‰¿","‘æ57‰ñ�t‹G‰ž—p•¨—�ŠwŠÖ˜A˜A�‡�u‰‰‰ï",,,,,,2010,
"T.Fujita,M.Kawamura,M.Nishijima,S.Oonishi,Y.Hidaka,Akira Yamada,M.Konagai","High-quality chalcopyrite-based materials for tandem-type solar cells","International Symposium on Innovative Solar Cells 2009",,,,,,2009,Mar.