Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Du Xiaolong and Murakami Masashi and Iwaki Hiroyuki and Ishitani Yoshihiro and Yoshikawa Akihiko,Effects of Sapphire (0001) Surface Modification by Gallium Pre-Exposure on the Growth of High-Quality Epitaxial ZnO Film.,Japanese Journal of Applied Physics,00214922,The Japan Society of Applied Physics,2002,41,10A,L1043-L1045,https://cir.nii.ac.jp/crid/1390282681231465984,https://doi.org/10.1143/jjap.41.l1043