Nucleation barriers for the liquid-to-crystal transition in simple metals: Experiment vs. simulation
Nucleation barriers for the liquid-to-crystal transition in simple metals: Experiment vs. simulation
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DOI：
10.1140/epjst/e2014-02106-2
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发表时间：
2014-02-01
影响因子：
2.8
通讯作者：
Horbach, J.
中科院分区：
文献类型：
--
作者：
Bokeloh, J.;Wilde, G.;Horbach, J.
采用差热分析（DTA）实验和蒙特卡罗（MC）模拟相结合的方法研究了单组分金属Ni和Au中的晶体成核。一种新的实验方法允许测量成核率J超过8个数量级的范围。有证据表明，这些速率对应于均匀成核。从成核速率，自由能成核势垒G (a)
Crystal nucleation in the one-component metals Ni and Au is investigated using a combination of differential thermal analysis (DTA) experiments and Monte Carlo (MC) simulations. A novel experimental methodology allows to measure nucleation rates J over a range of 8 orders of magnitude. Evidence is given that these rates correspond to homogeneous nucleation. From the nucleation rates, free energy nucleation barriers Delta G (a