Molecular Dynamics Study of Nanoparticle Evaporation and Condensation in a Gas

被引：14
|
作者：
Gouriet, Karine [1 ]
Sentis, Marc [1 ]
Itina, Tatiana E. [2 ]
机构：
[1] Univ Mediterranee, CNRS, Lab Lasers Plasmas & Photon Proc, F-13288 Marseille, France
[2] Univ Lyon, CNRS, Lab Hubert Curien, UMR 5516, F-42000 St Etienne, France
来源：
JOURNAL OF PHYSICAL CHEMISTRY C | 2009年 / 113卷 / 43期
关键词：
FEMTOSECOND LASER-ABLATION; MICROSCOPIC MECHANISMS; ORGANIC-SOLIDS; SIMULATION; CLUSTER; NUCLEATION; DESORPTION; PHASE; IRRADIATION; EVOLUTION;
D O I：
10.1021/jp9046648
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Evaporation and condensation rates are investigated for small clusters and nanoparticles in the presence of a gas by using classical molecular dynamics. The. effects of the initial cluster temperature and size, as well as of the gas temperature and density are analyzed. The surrounding gas characteristics are found to strongly affect the cluster evolution. The obtained simulation results are analyzed based on the collision rate and on the Rice, Ramsperger, and Kassel theory.
引用
收藏
页码：18462 / 18467
页数：6
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