Classical nucleation theory predicts the shape of the nucleus in homogeneous solidification.
Classical nucleation theory predicts the shape of the nucleus in homogeneous solidification.
复制标题
经典成核理论预测均匀凝固中核的形状。
DOI:
10.1063/1.5134461
复制
发表时间:
2020
期刊:
影响因子:
--
通讯作者:
Cheng B
中科院分区:
文献类型:
--
作者:
Cheng B
Macroscopic models of nucleation provide powerful tools for understanding activated phase transition processes. These models do not provide atomistic insights and can thus sometimes lack material-specific descriptions. Here, we provide a comprehensive framework for constructing a continuum picture from an atomistic simulation of homogeneous nucleation. We use this framework to determine the equilibrium shape of the solid nucleus that forms inside bulk liquid for a Lennard-Jones potential. From this shape, we then extract the anisotropy of the solid-liquid interfacial free energy, by performing a reverse Wulff construction in the space of spherical harmonic expansions. We find that the shape of the nucleus is nearly spherical and that its anisotropy can be perfectly described using classical models. Published under license by AIP Publishing.
登录
查看更多内容
DOI:
--
发表时间:
2017
期刊:
Journal of Physics: Condensed Matter
影响因子:
--
作者:
E. Baldi;M. Ceriotti;G. A. Tribello
通讯作者:
G. A. Tribello
DOI:
10.1021/jp310070y
发表时间:
2012-10
期刊:
The journal of physical chemistry. B
影响因子:
--
作者:
P. Varilly;D. Chandler
通讯作者:
P. Varilly;D. Chandler
DOI:
10.1021/jp909219k
发表时间:
2010-02-11
期刊:
The journal of physical chemistry. B
影响因子:
--
作者:
Willard AP;Chandler D
通讯作者:
Chandler D
影响因子:
4.4
作者:
P. Pedevilla;Martin Fitzner;G. Sosso;A. Michaelides
通讯作者:
A. Michaelides
DOI:
--
发表时间:
1965
期刊:
影响因子:
--
作者:
S. Altmann;C. Bradley
通讯作者:
C. Bradley