Surface effects on the persistence length of nanowires and nanotubes

Autor: Hua Liu, Hualong Song, Xiqiao Feng, Jialing Yang
Jazyk: angličtina
Rok vydání: 2014
Předmět:
Zdroj: Theoretical and Applied Mechanics Letters, Vol 4, Iss 5 (2014)
Druh dokumentu: article
ISSN: 2095-0349
DOI: 10.1063/2.1405109
Popis: Surface effects on the persistence length of quasi-one-dimensional nanomaterials are investigated by using the theory of surface elasticity and the core–shell model of nanobeams. A simple and unified expression is provided to determine the persistence length of nanowires and nanotubes with any regular polygonal cross-sections. It is demonstrated that surface effects have a distinct influence on the persistence length when the characteristic sizes of materials shrink to nanometers. This work is helpful not only for understanding the size-dependent behavior of nanomaterials but also for the design of devices based on nanotubes or nanowires.
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