Investigation on the most probable breaking behaviors of copper nanowires with the dependence of temperature

被引：25
作者：
Wang, Fenying [1 ,3 ,4 ]
Sun, Wei [1 ]
Gao, Yajun [1 ]
Liu, Yunhong [1 ]
Zhao, Jianwei [1 ]
Sun, Changqing [2 ]
机构：
[1] Nanjing Univ, State Key Lab Analyt Chem Life Sci, Sch Chem & Chem Engn, Nanjing 210008, Peoples R China
[2] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
[3] Nanchang Univ, Sch Mat Sci & Engn, Nanchang 330031, Peoples R China
[4] Nanchang Univ, Sch Sci, Educ Ctr Basic Chem Expt, Nanchang 330031, Peoples R China
来源：
COMPUTATIONAL MATERIALS SCIENCE | 2013年 / 67卷
基金：
中国国家自然科学基金;
关键词：
Molecular dynamics simulations; Copper nanowires; The most probable breaking position; MOLECULAR-DYNAMICS SIMULATION; PLASTIC-DEFORMATION; SHOCK-WAVES; SCALE; CONDUCTANCE; TRANSITION; CRYSTAL;
D O I：
10.1016/j.commatsci.2012.07.048
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The deformation and breaking behaviors of metallic nanowires have raised concerns owing to their applied reliability in a nanoelectromechanical system. In this paper, molecular dynamics simulations are used to study the deformation and breaking properties of the [100] oriented single-crystal copper nanowires subjected to uniaxial tension at different temperatures. With a dependence of temperature, statistical samples identify a most probable breaking position of the nanowire, and the "most probable'' feature reveals that the breaking behavior is correlated with nanoscale compression wave propagation at different temperatures. Macro-breaking position distributions confirm the influence of temperature on micro-atomic fluctuation during the symmetric stretching of the nanowires. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：182 / 187
页数：6
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