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

• 作者: D. Zhang Hanxing Zhu T. X. Fan Z. B. Wang
• 来源期刊: 纳米科学与工程(英文)
• 学科: 物理学
• 关键词: NANOWIRES NANOPLATES Bending STIFFNESS BUCKLING FORCE Natural Frequency
• 年，卷（期）: 2012,（3）
• 页码范围: 161-169
• 页数: 9页
• 分类号: O3

摘要

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.