Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Koichi Sassa and Yutaka Tokuda and Hiroyuki Shiraki,Study of Medium-Deep Traps in Undoped GaAs Grown by Arsenic-Pressure Controlled Cz Method,MRS Proceedings,0272-9172,Springer Science and Business Media LLC,1992-01-01,262,,,https://cir.nii.ac.jp/crid/1872835442899167104,https://doi.org/10.1557/proc-262-105