Superplastic Nanowires Pulled from the Surface of Common Salt

被引：28

作者：

Moore, Nathan W. ^{[1
]}

Luo, Junhang ^{[2
]}

Huang, J. Y. ^{[3
]}

Mao, Scott X. ^{[2
]}

Houston, J. E. ^{[1
]}

机构：

[1] Sandia Natl Labs, Albuquerque, NM 87185 USA

[2] Univ Pittsburgh, Pittsburgh, PA 15261 USA

[3] Sandia Natl Labs, Ctr Integrated Nanotechnol, Albuquerque, NM 87185 USA

来源：

NANO LETTERS | 2009年 / 9卷 / 06期

基金：

美国国家科学基金会;

关键词：

LARGE-STRAIN PLASTICITY; SIC NANOWIRES; DEFORMATION; NACL; CRYSTAL; CONTACT;

D O I：

10.1021/nl9004805

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Superplastic nanowires were formed by touching the NaCl(100) surface with a Au tip in a transmission electron microscope. The nanowires were stretched <= 2.2 mu m, or 280%, and bent >90 degrees upon compression, when showered with the electron beam. More surprisingly, no dislocations were observable during the elongation due to fast diffusion. Mechanical measurements in humid atmospheres suggest that salt nanowires also form in ambient environments.

引用

页码：2295 / 2299

页数：5

共 38 条

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