Influence of electromechanical boundary conditions on elasticity of zinc oxide nanowires

被引：16

作者：

Desai, A. V. ^{[1
]}

Haque, M. A. ^{[1
]}

机构：

[1] Penn State Univ, Dept Mech & Nucl Engn, University Pk, PA 16802 USA

来源：

APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 18期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1063/1.2805027

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Uniaxial tensile experiments were performed on single crystal zinc oxide nanowires with a custom microfabricated tool. The measured Young's modulus is about 30%-40% of the bulk value for specimens with 200-400 nm in diameter, which cannot be explained with classical elasticity formulations. We discuss this anomaly in light of the enhanced electromechanical coupling due to static mechanical and isolated electrical boundary conditions that can significantly contribute to the softening of the material, irrespective of the length scale. (C) 2007 American Institute of Physics.

引用

页数：3

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