Super Deformability and Young's Modulus of GaAs Nanowires

被引：115

作者：

Wang, Yan-Bo ^{[1
]}

Wang, Li-Feng ^{[1
]}

Joyce, Hannah J. ^{[2
]}

Gao, Qiang ^{[2
]}

Liao, Xiao-Zhou ^{[1
]}

Mai, Yiu-Wing ^{[1
]}

Tan, Hoe H. ^{[2
]}

Zou, Jin ^{[3
]}

Ringer, Simon P. ^{[4
]}

Gao, Hua-Jian ^{[5
]}

Jagadish, Chennupati ^{[2
]}

机构：

[1] Univ Sydney, Sch Aerosp Mech & Mech Engn, Sydney, NSW 2006, Australia

[2] Australian Natl Univ, Dept Elect Mat Engn, Res Sch Phys & Engn, Canberra, ACT 0200, Australia

[3] Univ Queensland, Ctr Microscopy & Microanal, St Lucia, Qld 4072, Australia

[4] Univ Sydney, Australian Ctr Microscopy & Microanal, Sydney, NSW 2006, Australia

[5] Brown Univ, Sch Engn, Providence, RI 02912 USA

来源：

ADVANCED MATERIALS | 2011年 / 23卷 / 11期

基金：

澳大利亚研究理事会;

关键词：

LARGE-STRAIN PLASTICITY; SIC NANOWIRES; DEFORMATION; STRENGTH; SURFACE; SIZE; STRESS;

D O I：

10.1002/adma.201004122

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A significant size effect on the mechanical properties of GaAs nanowires (NWs) is reported. A remarkable elastic strain of approximate to 11% for NWs with diameters of 50-150 nm and obvious plastic deformation in NWs with diameters <= 25 nm are revealed. The Young's modulus of the NWs can be more than double that of bulk GaAs.

引用

页码：1356 / 1360

页数：5

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