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Size-dependent melting properties of free silver nanoclusters
Zhao, SJ; Wang, SQ; Ye, HQ
Corresponding AuthorZhao, SJ(sjzhao@imr.ac.cn)
2001-10-01
Source PublicationJOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
ISSN0031-9015
Volume70Issue:10Pages:2953-2957
AbstractThe melting properties of free nanoclusters of silver atoms interacting through an analytic embedded-atom method type potential are studied by using molecular dynamics simulations. The particle-size-dependent depression of the melting temperature T-m of Ag258-3871 can be explained by the surface premelting models (SPM). The melting process of Ag-13 (178) changes significantly compare with that of Ag258-3871, in which T-m deviate from the values predicted from the SPM and the latent heat of fusion Delta mu (ls) enhance greatly. For the first time, the size-dependent variations in T-m and A mu (ls) for free neutral nanoclusters with r less than or equal to r(c) (r(c) is critical radius) is presented and a new intermediate melting mechanism is identified. In addition, a reentrant morphology transition in Ag-147, quasimelten phases of Ag13-55, and icosahedral precursors to the melting of Ag13-309 are also recovered.
Keywordsilver nanoclusters molecular dynamics melting temperature latent heat of fusion
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000171704500031
PublisherPHYSICAL SOC JAPAN
Citation statistics
Cited Times:23[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/112271
Collection中国科学院金属研究所
Corresponding AuthorZhao, SJ
AffiliationChinese Acad Sci, Met Res Inst, Atom Imaging Solids Lab, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Zhao, SJ,Wang, SQ,Ye, HQ. Size-dependent melting properties of free silver nanoclusters[J]. JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN,2001,70(10):2953-2957.
APA Zhao, SJ,Wang, SQ,&Ye, HQ.(2001).Size-dependent melting properties of free silver nanoclusters.JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN,70(10),2953-2957.
MLA Zhao, SJ,et al."Size-dependent melting properties of free silver nanoclusters".JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 70.10(2001):2953-2957.
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