@article{oai:miyazaki-u.repo.nii.ac.jp:00004398, author = {Ikari, Tetsuo and 碇, 哲雄 and Fukuyama, Atsuhiko and 福山, 敦彦 and 明石, 義人 and Akashi, Yoshito}, issue = {1-3}, journal = {Materials Science in Semiconductor Processing}, month = {Feb}, pages = {253–255--253–255}, title = {Investigation of deep levels in semi-insulating GaAs by means of a thermally activated piezoelectric photoacoustic measurements}, volume = {4}, year = {2001}, yomi = {イカリ, テツオ and フクヤマ, アツヒコ and アカシ, ヨシト} }