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单层黑磷弯曲变形的各向异性及其失稳现象
潘斗兴
Source Publication科学通报
2015-03-20
Issue8Pages:764-770
Abstract利用密度泛函理论系统地研究了单层黑磷的纯弯变形特性,揭示了单层黑磷沿锯齿型方向弯曲时的失稳现象,并与石墨烯和单层二硫化钼的弯曲变形行为进行了比较.在此基础上,从连续介质力学的角度引入等效原子面积,计算了3种材料的弯曲刚度,并且与实测值和经验势的结果很好地符合.结果表明,单层黑磷的弯曲变形体现了明显的各向异性,刚度过大的锯齿型弯曲是导致其失稳区过早出现的力学根源,而单层黑磷孤电子对的排斥作用是弯曲变形呈现各向异性的主要物理机制.
Keyword单层黑磷 等效原子面积 弯曲刚度 各向异性 孤电子对
Indexed ByCSCD
Language中文
Funding Organization国家自然科学基金(11021262,11172303,11132011) ; 国家重点基础研究发展计划(2009CB930401)资助
CSCD IDCSCD:5372495
Classification二类
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58245
Collection非线性力学国家重点实验室
Recommended Citation
GB/T 7714
潘斗兴. 单层黑磷弯曲变形的各向异性及其失稳现象[J]. 科学通报,2015(8):764-770.
APA 潘斗兴.(2015).单层黑磷弯曲变形的各向异性及其失稳现象.科学通报(8),764-770.
MLA 潘斗兴."单层黑磷弯曲变形的各向异性及其失稳现象".科学通报 .8(2015):764-770.
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