Superplasticity in Gold Nanowires through the Operation of Multiple Slip Systems

doi:10.1002/adfm.201805258

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	Superplasticity in Gold Nanowires through the Operation of Multiple Slip Systems
	Cao, Guang 1,3; Wang, Jiangwei 1,3; Du, Kui 4; Wang, Xuelu 4; Li, Jixue 1,3; Zhang, Ze 1,3; Mao, Scott X.2
刊名	ADVANCED FUNCTIONAL MATERIALS
	2018-12-19
卷号	28 期号:51 页码:8
关键词	dislocation gold nanowires in situ transmission electron microscopy superplasticity surface diffusion
ISSN号	1616-301X
DOI	10.1002/adfm.201805258
通讯作者	Wang, Jiangwei(jiangwei_wang@zju.edu.cn) ; Zhang, Ze(zezhang@zju.edu.cn) ; Mao, Scott X.(sxm2@pitt.edu)
英文摘要	Dislocation activity in metallic nanowires often causes shear localization and premature necking, resulting in an early fracture. Here, in situ nanomechanical testing reveals a strong orientation-dependent dislocation-mediated superplastic deformation in gold (Au) nanowires, with more than 100% uniform elongation achieved before the fracture of [111]-oriented nanowires. Such superplastic deformability of [111]-oriented Au nanowires originates from the close coordination of homogeneously activated dislocation events on the three equivalent slip planes, which effectively eliminates the dislocation-induced deformation localization in Au nanowires with other orientations. This work sheds new light on the dislocation plasticity in metallic nanostructures, and is of technological importance for designing metallic nanostructures and nanodevices with high reliability.
资助项目	National Natural Science Foundation of China[11234011] ; National Natural Science Foundation of China[11327901] ; Fundamental Research Funds for the Central Universities[2017QNA4008]
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
语种	英语
出版者	WILEY-V C H VERLAG GMBH
WOS记录号	WOS:000453604700019
资助机构	National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/130930]
专题	金属研究所_中国科学院金属研究所
通讯作者	Wang, Jiangwei; Zhang, Ze; Mao, Scott X.
作者单位	1.Zhejiang Univ, Sch Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China 2.Univ Pittsburgh, Dept Mech Engn & Mat Sci, Pittsburgh, PA 15261 USA 3.Zhejiang Univ, Ctr Electron Microscopy, Hangzhou 310027, Zhejiang, Peoples R China 4.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
推荐引用方式 GB/T 7714	Cao, Guang,Wang, Jiangwei,Du, Kui,et al. Superplasticity in Gold Nanowires through the Operation of Multiple Slip Systems[J]. ADVANCED FUNCTIONAL MATERIALS,2018,28(51):8.
APA	Cao, Guang.,Wang, Jiangwei.,Du, Kui.,Wang, Xuelu.,Li, Jixue.,...&Mao, Scott X..(2018).Superplasticity in Gold Nanowires through the Operation of Multiple Slip Systems.ADVANCED FUNCTIONAL MATERIALS,28(51),8.
MLA	Cao, Guang,et al."Superplasticity in Gold Nanowires through the Operation of Multiple Slip Systems".ADVANCED FUNCTIONAL MATERIALS 28.51(2018):8.