NUCLEATION AND WETTING NEAR-SURFACE SPINODALS

被引：24

作者：

BONN, D ^{[1
]}

INDEKEU, JO ^{[1
]}

机构：

[1] KATHOLIEKE UNIV LEUVEN, VASTE STOF FYS MAGNETISME LAB, B-3001 LOUVAIN, BELGIUM

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.74.3844

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We discuss the nucleation of wetting layers starting from a metastable state. The classical theory of bulk nucleation near spinodals is extended to surface phases. In contrast with bulk nucleation, where spinodals are not observed, sharp spinodals may occur near first-order wetting transitions, because the upper critical dimension du<3. We find that near the spinodal of a first-order wetting transition the vanishing of the free energy of the critical droplet is described by the universal exponent (7-d)/4 in dimension d. Agreement with recent experimental data is satisfactory. © 1995 The American Physical Society.

引用

页码：3844 / 3847

页数：4

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