Interlayer interactions in graphites.
Interlayer interactions in graphites.
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石墨中的层间相互作用
DOI:
10.1038/srep03046
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发表时间:
2013-11-06
影响因子:
4.6
通讯作者:
Chen, Nan-xian
中科院分区:
文献类型:
--
作者:
Chen, Xiaobin;Tian, Fuyang;Persson, Clas;Duan, Wenhui;Chen, Nan-xian
Based on ab initio calculations of both the ABC- and AB-stacked graphites, interlayer potentials (i.e., graphene-graphene interaction) are obtained as a function of the interlayer spacing using a modified Möbius inversion method, and are used to calculate basic physical properties of graphite. Excellent consistency is observed between the calculated and experimental phonon dispersions of AB-stacked graphite, showing the validity of the interlayer potentials. More importantly, layer-related properties for nonideal structures (e.g., the exfoliation energy, cleave energy, stacking fault energy, surface energy, etc.) can be easily predicted from the interlayer potentials, which promise to be extremely efficient and helpful in studying van der Waals structures.
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