Size-dependent melting properties of free silver nanoclusters

IMR OpenIR

	Size-dependent melting properties of free silver nanoclusters
	Zhao, SJ; Wang, SQ; Ye, HQ
通讯作者	Zhao, SJ(sjzhao@imr.ac.cn)
	2001-10-01
发表期刊	JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
ISSN	0031-9015
卷号	70 期号:10 页码:2953-2957
摘要	The 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.
关键词	silver nanoclusters molecular dynamics melting temperature latent heat of fusion
收录类别	SCI
语种	英语
WOS研究方向	Physics
WOS类目	Physics, Multidisciplinary
WOS记录号	WOS:000171704500031
出版者	PHYSICAL SOC JAPAN
引用统计	被引频次：27[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/112271
专题	中国科学院金属研究所
通讯作者	Zhao, SJ
作者单位	Chinese Acad Sci, Met Res Inst, Atom Imaging Solids Lab, Shenyang 110016, Peoples R China
推荐引用方式 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.