Shi Ruo-Yu, Wang Lin-Feng, Gao Lei, Song Ai-Sheng, Liu Yan-Min, Hu Yuan-Zhong, Ma Tian-Bao. Quantitative calculation of atomic-scale frictional behavior of two-dimensional material based on sliding potential energy surfaceJ. Acta Physica Sinica, 2017, 66(19): 196802. DOI: 10.7498/aps.66.196802