Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ito Toshihide and Kato Hiromitsu and Nango Tomohiro and Ohki Yoshimichi,Energy Band Profile of Hafnium Silicates Estimated by X-Ray Photoelectron Spectroscopy,Japanese Journal of Applied Physics,00214922,The Japan Society of Applied Physics,2004,43,12,8199-8202,https://cir.nii.ac.jp/crid/1390282681242272128,https://doi.org/10.1143/jjap.43.8199