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The dynamic diffusion behaviors of 2D small Fe clusters on a Fe(110) surface
Chen, Dong; Hu, Wangyu; Yang, Jianyu; Sun, Lixian; Hu Wangyu; Hu Wangyu
刊名JOURNAL OF PHYSICS-CONDENSED MATTER
2007-11-07
ISSN0953-8984
DOI10.1088/0953-8984/19/44/446009
19期:44页:446009-446011
收录类别SCI
文章类型Article
部门归属15
项目归属1504
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Physics, Condensed Matter
研究领域[WOS]Physics
关键词[WOS]EMBEDDED-ATOM-METHOD ; MOLECULAR-DYNAMICS ; TRANSITION-METALS ; ADATOM CLUSTERS ; PD CLUSTERS ; POTENTIALS ; MECHANISMS ; MODEL
英文摘要In this paper, the diffusion behaviors of Fe clusters on a Fe( 110) surface have been investigated using molecular dynamics simulations based on a modified analytic embedded-atom method. The stable configurations of Fe clusters are predicted to be close-packed islands configuration for Fe clusters up to nine atoms or even larger in size. The activation energy of surface diffusion exhibits an interesting, oscillatory behavior as a function of cluster size. As compared to the structures with extra atoms at the periphery, compact geometric configurations of Fe clusters (four-and seven-atom clusters) have an obviously higher activation energy. The reason is that for clusters of more than two atoms the diffusion mechanisms of 2D small clusters are achieved by the migration of extra atoms at the periphery.
语种英语
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WOS记录号WOS:000250688400021
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被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/99623
专题中国科学院大连化学物理研究所
通讯作者Hu Wangyu; Hu Wangyu
作者单位1.Hunan Univ, Coll Mat Sci & Engn, Changsha 410082, Peoples R China
2.Hunan Inst Engn, Dept Math & Phys, Xiangtan 411104, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Mat & Thermochem Lab, Dalian 116023, Peoples R China
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GB/T 7714
Chen, Dong,Hu, Wangyu,Yang, Jianyu,et al. The dynamic diffusion behaviors of 2D small Fe clusters on a Fe(110) surface[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2007,19(44):446009-446011.
APA Chen, Dong,Hu, Wangyu,Yang, Jianyu,Sun, Lixian,Hu Wangyu,&Hu Wangyu.(2007).The dynamic diffusion behaviors of 2D small Fe clusters on a Fe(110) surface.JOURNAL OF PHYSICS-CONDENSED MATTER,19(44),446009-446011.
MLA Chen, Dong,et al."The dynamic diffusion behaviors of 2D small Fe clusters on a Fe(110) surface".JOURNAL OF PHYSICS-CONDENSED MATTER 19.44(2007):446009-446011.
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