Controllable Modulation to Quantum Well States on β-Sn Islands. - Wang, Ze-Rui; Zhao, Chen-Xiao; Wang, Guan-Yong; Qin, Jin; Xia, Bing; Yang, Bo; Guan, Dan-dan; Wang, Shi-Yong; Zheng, Hao; Li, Yao-Yi; Liu, Can-hua; Jia, Jin-Feng (Chinese Physics Letters, 2020)