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Surface effect on resonant properties of nanowires predicted by an elastic theory for nanomaterials
Yao Y(姚寅); Chen SH(陈少华); Chen, SH (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Source PublicationJOURNAL OF APPLIED PHYSICS
2015-07-28
Volume118Issue:4Pages:44303
ISSN0021-8979
AbstractA recently developed continuum theory considering surface effect in nanomaterials is adopted to investigate the resonant properties of nanowires with different boundary conditions in the present paper. The main feature of the adopted theory is that the surface effect in nanomaterials is characterized by the surface energy density of the corresponding bulk materials and the surface relaxation parameter in nanoscale. Based on a fixed-fixed beam model and a cantilever one, the governing equation of resonant frequency for corresponding nanowires is obtained. Numerical calculation of the fundamental resonant frequency is carried out, the result of which is well consistent with the existing numerical ones. Comparing to the result predicted by the conventionally structural dynamics, the resonant frequency of a fixed-fixed nanowire is improved, while that of a cantilever nanowire is weakened due to the surface effect. Both a decreasing characteristic size (height or diameter) and an increasing aspect ratio could further enhance the varying trend of resonant properties for both kinds of nanowires. The present result should be helpful for the design of nano-devices and nanostructures related to nanowires. (C) 2015 AIP Publishing LLC.
Subject AreaPhysics
DOI10.1063/1.4927290
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000358928000032
WOS Research AreaPhysics
WOS SubjectPhysics, Applied
Funding OrganizationNSFC [11372317, 11125211] ; Nano-project [2012CB937500] ; CAS/SAFEA International Partnership Program for Creative Research Teams
DepartmentLNM仿生材料与固体的微尺度力学
Classification一类/力学重要期刊
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/55322
Collection非线性力学国家重点实验室
Corresponding AuthorChen, SH (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Yao Y,Chen SH,Chen, SH . Surface effect on resonant properties of nanowires predicted by an elastic theory for nanomaterials[J]. JOURNAL OF APPLIED PHYSICS,2015,118(4):44303.
APA Yao Y,Chen SH,&Chen, SH .(2015).Surface effect on resonant properties of nanowires predicted by an elastic theory for nanomaterials.JOURNAL OF APPLIED PHYSICS,118(4),44303.
MLA Yao Y,et al."Surface effect on resonant properties of nanowires predicted by an elastic theory for nanomaterials".JOURNAL OF APPLIED PHYSICS 118.4(2015):44303.
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