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题名: Competition between attraction and diffusion in nanoscale non-equilibrium aggregation
作者: Wang, BY ;  Deng, L ;  Wang, YT
刊名: SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
出版日期: 2012
卷号: 55, 期号:12, 页码:2237-2243
关键词: MOLECULAR-DYNAMICS SIMULATION ;  BIOMOLECULES ;  NUCLEATION ;  SURFACES ;  PHASE
学科分类: Physics
通讯作者: Wang, YT (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
部门归属: [Wang BoYang; Deng Li; Wang YanTing] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
英文摘要: The competition between attraction and diffusion determines the kinetics of non-equilibrium aggregation process. The formation of silver nanoclusters through non-equilibrium aggregation of silver atoms in solution was simulated by molecular dynamics as a model system to study the influence of the competition between attraction and diffusion on the aggregation process by varying concentration and temperature. It has been found that the aggregation time decreases monotonically with increasing concentration of silver atoms because of increasing attraction, while initially decreasing and then increasing with increasing temperature because of the competition between accelerated attractive motion and increasing diffusive motion of silver atoms. A mean field approximation was employed to develop a phenomenological model describing the mechanism of temperature dependence of aggregation time.
资助者: National Natural Science Foundation of China [10974208, 11121403]; Chinese Academy of Sciences; NSFC
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000312436000004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14971
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Wang, BY,Deng, L,Wang, YT. Competition between attraction and diffusion in nanoscale non-equilibrium aggregation[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2012,55(12):2237-2243.
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