SURFACE-INDUCED PHASE-TRANSITION IN NORMAL ALKANE FLUIDS

被引：151
|
作者：
EARNSHAW, JC
HUGHES, CJ
机构：
[1] Department of Pure and Applied Physics, Queen's University of Belfast
来源：
PHYSICAL REVIEW A | 1992年 / 46卷 / 08期
关键词：
D O I：
10.1103/PhysRevA.46.R4494
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The surface tension of normal liquid alkanes (chain lengths between 15 and 18 carbon atoms) has been measured as a function of temperature. In all cases the tension exhibits a well-defined change in behavior at a temperature close to, but distinct from, the melting point. The phenomena are consistent with a surface-induced phase transition in which the conformational degrees of freedom of molecules close to the surface are inhibited. Various properties of the transition vary smoothly with alkane chain length.
引用
收藏
页码：R4494 / R4496
页数：3
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