Kinetics and Energy States of Nanoclusters in the Initial Stage of Homogeneous Condensation at High Supersaturation Degrees

A. G. Vorontsov; B. R. Gelchinskii; A. E. Korenchenko

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Kinetics and Energy States of Nanoclusters in the Initial Stage of Homogeneous Condensation at High Supersaturation Degrees

机译：高过饱和度均相凝结初期纳米团簇的动力学和能量态

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The condensation of metal vapor in an inert gas is studied by the molecular dynamics method. Two condensation regimes are investigated: with maintenance of partial pressure of the metal vapor and with a fixed number of metal atoms in the system. The main focus is the study of the cluster energy distribution over the degrees of freedom and mechanisms of the establishment of thermal equilibrium. It is shown that the internal temperature of a cluster considerably exceeds the buffer gas temperature and the thermal balance is established for a time considerably exceeding the nucleation time. It is found that, when the metal vapor concentration exceeds 0.1 of the argon concentration, the growth of clusters with the highest possible internal energy occurs, the condensation rate being determined only by the rate of heat removal from clusters.

机译：通过分子动力学方法研究了惰性气体中金属蒸气的冷凝。研究了两种冷凝方式：维持金属蒸气的分压和在系统中固定数量的金属原子。主要重点是研究自由度上的团簇能量分布以及建立热平衡的机理。结果表明，团簇的内部温度大大超过了缓冲气体温度，并且建立了热平衡的时间大大超过了成核时间。已发现，当金属蒸气浓度超过氩气浓度的0.1时，发生具有尽可能高的内部能量的团簇的生长，冷凝速率仅由从团簇的除热率决定。

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《Journal of Experimental and Theoretical Physics》 |2012年第5期|共9页
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A. G. Vorontsov; B. R. Gelchinskii; A. E. Korenchenko;
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1. Kinetics and Energy States of Nanoclusters in the Initial Stage of Homogeneous Condensation at High Supersaturation Degrees [J] . A. G. Vorontsov, B. R. Gelchinskii, A. E. Korenchenko Journal of Experimental and Theoretical Physics . 2012,第5期

机译：高过饱和度均相凝结初期纳米团簇的动力学和能量态
2. Kinetics of homogeneous binary condensation at the stage of formation of the bulk of the liquid phase [J] . Djikaev YS., Grinin AP., Kuni FM. Physica, A. Statistical mechanics and its applications . 2002,第3a4期

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3. Study Of Nanoclusters Growth At Initial Stages Of Ultrathin Film Deposition By Kinetic Modeling [J] . Arvaidas Galdikas Applied Surface Science . 2008,第13期

机译：动力学建模研究超薄膜沉积初期纳米簇的生长
4. 3D Monte Carlo Simulation of Phase Separation Kinetics in a Binary Metallic Alloy with Vacancy Mediated Diffusion: Effect of Initial Supersaturation [C] . A.S. Shirinyan, Yu.S. Bilogorodskyy International Workshop on Diffusion and Diffusional Phase Transformations in Alloys . 2008

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Kinetics and Energy States of Nanoclusters in the Initial Stage of Homogeneous Condensation at High Supersaturation Degrees

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