IMECH-IR  > 环境力学重点实验室(2009-2011)
Investigation of thermomechanical responses in ultrafast laser heating of metal nanofilms
Zhou ZP(周志平); Ma W(马维); Ma, W (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China
Source PublicationThin Solid Films
2011
Volume519Issue:22Pages:7940-7946
ISSN0040-6090
AbstractThe present work uses two-temperature model and Cattaneo's constitutive model to study the thermomechanical responses and the size effect on energy transport during ultrafast laser heating of Au nanofilms. It is shown that the grain size effects on thermophysical properties, heat transport and thermal stresses are rather evident when the average grain diameter is less than the electron mean free path. The study on heat transport shows that there are two heat waves propagating in the lattice during nonequilibrium heating of films. It is found that the classical thermoelastic theory can not reveal the generation of the ultrafast thermal stresses during nonequilibrium heating: however, it can approximately describe the stress evolution in the stage of thermal equilibrium. (C) 2011 Elsevier B.V. All rights reserved.
KeywordTwo-temperature Model Ultrafast Laser Thermomechanical Response Size Effect Nonequilibrium Heating Grain-boundary Scattering Electrical-resistivity Polycrystalline Films Size Gold Conductivity Electrons Surface Waves
Subject AreaMaterials Science ; Physics
DOI10.1016/j.tsf.2011.05.062
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000295057000054
WOS KeywordGRAIN-BOUNDARY SCATTERING ; ELECTRICAL-RESISTIVITY ; POLYCRYSTALLINE FILMS ; SIZE ; GOLD ; CONDUCTIVITY ; ELECTRONS ; SURFACE ; WAVES
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
Funding OrganizationThe project was supported by the National Natural Science Foundation of China (10672166, 10632100).
DepartmentLMFS工程地质体力学(LEM)
Classification二类/Q2
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/44997
Collection环境力学重点实验室(2009-2011)
Corresponding AuthorMa, W (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhou ZP,Ma W,Ma, W . Investigation of thermomechanical responses in ultrafast laser heating of metal nanofilms[J]. Thin Solid Films,2011,519(22):7940-7946
APA Zhou ZP,Ma W,&Ma, W .(2011).Investigation of thermomechanical responses in ultrafast laser heating of metal nanofilms.Thin Solid Films,519(22),7940-7946.
MLA Zhou ZP,et al."Investigation of thermomechanical responses in ultrafast laser heating of metal nanofilms".Thin Solid Films 519.22(2011):7940-7946.
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