Tunable Bending Stiffness, Buckling Force, and Natural Frequency of Nanowires and Nanoplates

Hanxing Zhu, Z. B. Wang, T. X. Fan, D. Zhang

CNM & IJRCNB Centers, Changchun University of Science and Technology, Changchun, China.
School of Engineering, Cardiff University, Cardiff, UK.
State Key Lab of Metal Matrix Composites, Shanghai Jiaotong University, Shanghai, China.

DOI: 10.4236/wjnse.2012.23021                

Abstract

This paper aims to obtain the simple closed-form results for the combined effects of surface elasticity, initial stress/ strain, and material Poisson ratio on the bending stiffness, natural frequency and buckling force of nanowires and nano-plates. The results demonstrate that all these properties of nanowires or nanoplates can be designed either very sensitive or not sensitive at all to the amplitude of an applied electric potential; show how much of those properties can be controlled to vary; and thus provide a reliable guide to the measurement of the Young’s modulus of nanowires/nanoplates and to the design of nano-devices, such as nano-sensors or the cantilever of an AFM.

Keywords

Nanowires; Nanoplates; Bending Stiffness; Buckling Force; Natural Frequency

Conflicts of Interest

The authors declare no conflicts of interest.

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