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Bending-induced extension in two-dimensional crystals
Pan DX(潘斗星); Li Y; Wang ZQ(王自强); Guo WL; Wang, TC (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.; Guo, WL (reprint author), Nanjing Univ Aeronaut & Astronaut, State Key Lab Mech & Control Mech Struct, Nanjing 210016, Peoples R China.; Guo, WL (reprint author), Nanjing Univ Aeronaut & Astronaut, Key Lab Intelligent Nano Mat & Devices MOE, Nanjing 210016, Peoples R China.
2017
发表期刊ACTA MECHANICA SINICA
卷号33期号:1页码:71-76
ISSN0567-7718
摘要We find by ab initio simulations that significant overall tensile strain can be induced by pure bending in a wide range of two-dimensional crystals perpendicular to the bending moment, just like an accordion being bent to open. This bending-induced tensile strain increases in a power law with bent curvature and can be over 20% in monolayered black phosphorus and transition metal dichalcogenides at a moderate curvature of but more than an order weaker in graphene and hexagon boron nitride. This accordion effect is found to be a quantum mechanical effect raised by the asymmetric response of chemical bonds and electron density to the bending curvature.
DOI10.1007/s10409-016-0602-2
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收录类别SCI ; EI ; CSCD
语种英语
WOS记录号WOS:000394153000007
关键词[WOS]Monolayer black phosphorus ; Bending to extension ; Accordion effect ; Density functional theory
WOS研究方向Engineering ; Mechanics
WOS类目Engineering, Mechanical ; Mechanics
项目资助者This project was supported by the 973 program (Grants 2012CB937500, 2013CB932604), the National Natural Science Foundation of China (Grants 51535005, 51472117, 11021262, 11172303, 11132011), and the Fundamental Research Funds for the Central Universities (Grant NP2013309). We thank X.F. Liu for helpful discussions and W.H. Tang for help in drawing some of the geometrical figures.
课题组名称LNM固体物理力学
论文分区二类
力学所作者排名1
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文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/60099
专题非线性力学国家重点实验室
通讯作者Wang, TC (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.; Guo, WL (reprint author), Nanjing Univ Aeronaut & Astronaut, State Key Lab Mech & Control Mech Struct, Nanjing 210016, Peoples R China.; Guo, WL (reprint author), Nanjing Univ Aeronaut & Astronaut, Key Lab Intelligent Nano Mat & Devices MOE, Nanjing 210016, Peoples R China.
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GB/T 7714
Pan DX,Li Y,Wang ZQ,et al. Bending-induced extension in two-dimensional crystals[J]. ACTA MECHANICA SINICA,2017,33(1):71-76.
APA 潘斗星.,Li Y.,王自强.,Guo WL.,Wang, TC .,...&Guo, WL .(2017).Bending-induced extension in two-dimensional crystals.ACTA MECHANICA SINICA,33(1),71-76.
MLA 潘斗星,et al."Bending-induced extension in two-dimensional crystals".ACTA MECHANICA SINICA 33.1(2017):71-76.
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