Coalescence of nanoscale metal clusters: Molecular-dynamics study

被引：60

作者：

Hendy, S ^{[1
]}

Brown, SA

Hyslop, M

机构：

[1] Ind Res Ltd, Appl Math, Lower Hutt, New Zealand

[2] Univ Canterbury, Dept Phys & Astron, NEST Grp, Christchurch, New Zealand

[3] Univ Canterbury, Dept Phys & Astron, MacDiarmid Inst Adv Mat & Nanotechnol, Christchurch, New Zealand

[4] Victoria Univ Wellington, Sch Chem & Phys Sci, MacDiarmid Inst Adv Mat & Nanotechnol, Wellington, New Zealand

来源：

PHYSICAL REVIEW B | 2003年 / 68卷 / 24期

关键词：

D O I：

10.1103/PhysRevB.68.241403

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We study the coalescence of nanoscale metal clusters in an inert-gas atmosphere using constant-energy molecular dynamics. The coalescence proceeds via atomic diffusion with the release of surface energy raising the temperature. If the temperature exceeds the melting point of the coalesced cluster, a molten droplet forms. If the temperature falls between the melting point of the larger cluster and those of the smaller clusters, a metastable molten droplet forms and freezes.

引用

页数：4

共 50 条

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