Heterogeneous Nucleation on a Conical Cavity
Heterogeneous Nucleation on a Conical Cavity
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DOI：
10.1088/0256-307x/31/3/038201
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发表时间：
2014-02
影响因子：
3.5
通讯作者：
Xiang-Ming Li
中科院分区：
文献类型：
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作者：
Xiang-Ming Li
本文研究了平面衬底表面锥形凹坑中的异质形核。团簇在基底上的生长过程包括三个阶段：锥形腔内生长、腔边生长和腔外生长。在每个阶段，团簇成核的热力学判据取决于锥腔的尺寸和基底材料。得到了成核的自由能垒和两次成核的条件。
Heterogeneous nucleation in a conically shaped pit on the surface of a plane surface substrate is investigated. The growing process of a cluster on the substrate consists of three stages: growing within the conical cavity, at the cavity edge and outside the cavity. In every stage, the thermodynamic criterion of a cluster growing into a nucleus depends on both the conical cavity dimensions and the substrate materials. The free energy barrier for nucleus formation and the condition of twice nucleation are obtained.