Guo Ze-Kun, Tian Yan, Gan Hai-Bo, Li Zi-Juan, Zhang Tong, Xu Ning-Sheng, Chen Jun, Chen Huan-Jun, Deng Shao-Zhi, Liu Fei. Preparation, structure configuration, physical properties and applications of borophene and two-dimensional alkaline-earth metal boride nanomaterialsJ. Acta Physica Sinica, 2017, 66(21): 217702. DOI: 10.7498/aps.66.217702