An ellipsometric study of the surface freezing of liquid alkanes

被引：45

作者：

Pfohl, T ^{[1
]}

Beaglehole, D ^{[1
]}

Riegler, H ^{[1
]}

机构：

[1] UNIV VICTORIA,DEPT PHYS,WELLINGTON,NEW ZEALAND

来源：

CHEMICAL PHYSICS LETTERS | 1996年 / 260卷 / 1-2期

关键词：

D O I：

10.1016/0009-2614(96)00836-6

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The surface freezing of alkane/air interfaces was investigated by ellipsometry and surface tension measurements. It is observed as a small jump in the ellipsometric signal. This shift can be explained by the transition from an isotropic liquid surface to a well-ordered monolayer only through a fortituous cancellation of layering and anisotropy effects. Therefore, an alternative model is discussed which interprets the surface freezing as a transition from a nematic-like molecular ordering at the interface above the surface melting temperature to a smectic-like ordering below.

引用

页码：82 / 86

页数：5

共 10 条

[1]

ASMUSSEN A, 1996, IN PRESS J CHEM PHYS

[2] ELLIPSOMETRIC STUDY OF THE SURFACE OF SIMPLE LIQUIDS [J].