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American Chemical Society, Nano Letters, 2(14), p. 480-485, 2014

DOI: 10.1021/nl403426c

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In Situ Transmission Electron Microscopy Investigation on Fatigue Behavior of Single ZnO Wires under High-Cycle Strain

Journal article published in 2014 by Peifeng F. Li, Qingliang L. Liao, Shize Z. Yang ORCID, Xuedong D. Bai, Yunhua H. Huang, Xiaoqin Q. Yan, Zheng Zhang, Shuo Liu, Pei Lin, Zhuo Kang, Yue Zhang
This paper is available in a repository.
This paper is available in a repository.

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Abstract

The fatigue behavior of ZnO nanowires (NWs) and microwires (MWs) was systematically investigated with in situ transmission electron microscopy (TEM) electromechanical resonance method. The elastic modulus and mechanical quality factors of ZnO wires were obtained. No damage or failure was found in the intact ZnO wires after resonance for about 108~109 cycles, while the damaged ZnO NW under electron beam (e-beam) irradiation fractured after resonance for seconds. The research results will provide a useful guide for designing, fabricating and optimizing electromechanical nanodevices based on ZnO nanomaterials, as well as future applications.