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In-Plane Heterostructures Enable Internal Stress Assisted Strain Engineering in 2D Materials
Liu F(刘峰); Wang TC(王自强); Tang QH(汤奇恒)
2018-04-12
发表期刊SMALL
卷号14期号:15页码:1703512
ISSN1613-6810
摘要Conventional methods to induce strain in 2D materials can hardly catch up with the sharp increase in requirements to design specific strain forms, such as the pseudomagnetic field proposed in graphene, funnel effect of excitons in MoS2, and also the inverse funnel effect reported in black phosphorus. Therefore, a long-standing challenge in 2D materials strain engineering is to find a feasible scheme that can be used to design given strain forms. In this article, combining the ability of experimentally synthetizing in-plane heterostructures and elegant Eshelby inclusion theory, the possibility of designing strain fields in 2D materials to manipulate physical properties, which is called internal stress assisted strain engineering, is theoretically demonstrated. Particularly, through changing the inclusion's size, the stress or strain gradient can be controlled precisely, which is never achieved. By taking advantage of it, the pseudomagnetic field as well as the funnel effect can be accurately designed, which opens an avenue to practical applications for strain engineering in 2D materials.
关键词2D materials Eshelby inclusion theory in-plane heterostructures MD simulations strain engineering
DOI10.1002/smll.201703512
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收录类别SCI ; EI
语种英语
WOS记录号WOS:000430186600006
关键词[WOS]CHEMICAL-VAPOR-DEPOSITION ; HEXAGONAL BORON-NITRIDE ; TRANSITION-METAL DICHALCOGENIDES ; 2-DIMENSIONAL MATERIALS ; EPITAXIAL-GROWTH ; MONOLAYER MOS2 ; LARGE-AREA ; GRAPHENE ; HETEROJUNCTIONS ; ENERGY
WOS研究方向Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS类目Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
项目资助者Strategic Priority Research Program of the Chinese Academy of Sciences [XDB22040503] ; National Natural Science Foundation of China [11021262, 11602272, 11172303, 11132011, 11602270, 11532013] ; National Basic Research Program of China ("973" Project) [2012CB937500]
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文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77819
专题非线性力学国家重点实验室
作者单位1.[Liu, Feng
2.Wang, Tzu-Chiang
3.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
4.[Wang, Tzu-Chiang
5.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
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Liu F,Wang TC,Tang QH. In-Plane Heterostructures Enable Internal Stress Assisted Strain Engineering in 2D Materials[J]. SMALL,2018,14(15):1703512.
APA 刘峰,Wang TC,&汤奇恒.(2018).In-Plane Heterostructures Enable Internal Stress Assisted Strain Engineering in 2D Materials.SMALL,14(15),1703512.
MLA 刘峰,et al."In-Plane Heterostructures Enable Internal Stress Assisted Strain Engineering in 2D Materials".SMALL 14.15(2018):1703512.
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