CAPILLARY CONDENSATION DUE TO VAN-DER-WAALS ATTRACTION IN WET SLITS

被引：90

作者：

CHRISTENSON, HK

机构：

[1] Department of Applied Mathematics, Research School of Physical Sciences, Australian National University, Canberra

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 73卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.73.1821

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Wetting films (of thickness t less than or equal to 14 nm) of t-butanol in slits of mica have been studied as a function of the slit width H. A capillary condensation transition occurs when H approximate to 3t for t > 5 nm. This is consistent with a mechanism of film thickening and coalescence due to van der Waals forces across the slit. van der Waals thickening cannot account for the transition with thinner (t < 5 nm) adsorbed films, as found previously with nonwetting liquids.

引用

页码：1821 / 1824

页数：4

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