Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ONO Satomi and NISHI Yasuo,Surface Analysis of Lithium Niobate Films by XPS.,Hyomen Kagaku,03885321,The Surface Science Society of Japan,2001,22,12,818-821,https://cir.nii.ac.jp/crid/1390001206455043584,https://doi.org/10.1380/jsssj.22.818