X-ray waveguiding studies of ordering phenomena in confined fluids

被引：46

作者：

Zwanenburg, MJ

Bongaerts, JHH

Peters, JF

Riese, DO

van der Veen, JF

机构：

[1] Univ Amsterdam, Van Der Waals Zeeman Inst, NL-1018 XE Amsterdam, Netherlands

[2] Paul Scherrer Inst, CH-5232 Villigen, Switzerland

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 24期

关键词：

D O I：

10.1103/PhysRevLett.85.5154

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have determined the structure of a colloidal fluid confined in a gap between two walls by making use of the waveguiding properties of the gap at x-ray wavelengths. The method is based on an analysis of the coupling of waveguide modes induced by the density variations in the confined fluid. Studies on suspensions confined within gaps of a few hundred nanometers showed strongly selective mode coupling effects, indicative of an ordering of the colloidal particles in layers parallel to the confining walls.

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页码：5154 / 5157

页数：4

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