Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.2723654
Title: Crystallinity and surface effects on Young's modulus of CuO nanowires
Authors: Tan, E.P.S. 
Zhu, Y. 
Yu, T.
Dai, L. 
Sow, C.H. 
Tan, V.B.C. 
Lim, C.T. 
Issue Date: 2007
Source: Tan, E.P.S., Zhu, Y., Yu, T., Dai, L., Sow, C.H., Tan, V.B.C., Lim, C.T. (2007). Crystallinity and surface effects on Young's modulus of CuO nanowires. Applied Physics Letters 90 (16) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.2723654
Abstract: The authors investigate the crystallinity and surface effects on Young's modulus of cupric oxide (CuO) nanowires by performing three-point bend test using atomic force microscopy. Young's modulus of the nanowires obtained ranges from 70 to 300 GPa and is dependent on two factors. Firstly, it depends on whether the nanowire is mono- or polycrystalline, as indicated by the absence or presence of an amorphous surface layer. Second, the modulus increases with decreasing diameter for both types of nanowires. Combined with transmission electron microscopy and computational simulation studies, the nanostructure-mechanical property relationship of CuO nanowires is elucidated. © 2007 American Institute of Physics.
Source Title: Applied Physics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/51366
ISSN: 00036951
DOI: 10.1063/1.2723654
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