IMECH-IR  > 非线性力学国家重点实验室
Size-Dependent Elastic Modulus and Vibration Frequency of Nanocrystals
Liang LH(梁立红); Ma HS(马寒松); Wei YG(魏悦广); Liang, LH (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China
Source PublicationJournal of Nanomaterials
2011
Pages670857
ISSN1687-4110
AbstractThe elastic properties and the vibration characterization are important for the stability of materials and devices, especially for nanomaterials with potential and broad application. Nanomaterials show different properties from the corresponding bulk materials; the valid theoretical model about the size effect of the elastic modulus and the vibration frequency is significant to guide the application of nanomaterials. In this paper, a unified analytical model about the size-dependent elastic modulus and vibration frequency of nanocrystalline metals, ceramics and semiconductors is established based on the inherent lattice strain and the binding energy change of nanocrystals compared with the bulk crystals, and the intrinsic correlation between the elasticity and the vibration properties is discussed. The theoretical predictions for Cu, Ag, Si thin films, nanoparticles, and TiO(2) nanoparticles agree with the experimental results, the computational simulations, and the other theoretical models.
KeywordRaman-scattering Tio2 Nanocrystals Interface Stress Surface-stress Anatase Tio2 Thin-films Energy Particles Behavior
Subject AreaScience & Technology - Other Topics ; Materials Science
DOI10.1155/2011/670857
URL查看原文
Indexed BySCI
Language英语
WOS IDWOS:000282960400001
WOS KeywordRAMAN-SCATTERING ; TIO2 NANOCRYSTALS ; INTERFACE STRESS ; SURFACE-STRESS ; ANATASE TIO2 ; THIN-FILMS ; ENERGY ; PARTICLES ; BEHAVIOR
WOS Research AreaScience & Technology - Other Topics ; Materials Science
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
Funding OrganizationThe financial supports from the NSFC under Grants no. 10802088, 10832008, 10702070, 10932011 and The LNM initial funding for young investigators are acknowledged.
DepartmentLNM新型材料及结构的多尺度力学
Classification二类
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/44959
Collection非线性力学国家重点实验室
Corresponding AuthorLiang, LH (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Liang LH,Ma HS,Wei YG,et al. Size-Dependent Elastic Modulus and Vibration Frequency of Nanocrystals[J]. Journal of Nanomaterials,2011:670857.
APA Liang LH,Ma HS,Wei YG,&Liang, LH .(2011).Size-Dependent Elastic Modulus and Vibration Frequency of Nanocrystals.Journal of Nanomaterials,670857.
MLA Liang LH,et al."Size-Dependent Elastic Modulus and Vibration Frequency of Nanocrystals".Journal of Nanomaterials (2011):670857.
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