A STRUCTURAL COMPARISON OF RANDOM SEQUENTIAL ADSORPTION AND EQUILIBRIUM-CONFIGURATIONS OF SPHEROCYLINDERS

被引：18

作者：

RICCI, SM ^{[1
]}

TALBOT, J ^{[1
]}

TARJUS, G ^{[1
]}

VIOT, P ^{[1
]}

机构：

[1] UNIV PARIS 06,PHYS THEOR LIQUIDES LAB,F-75252 PARIS 05,FRANCE

来源：

JOURNAL OF CHEMICAL PHYSICS | 1994年 / 101卷 / 10期

关键词：

D O I：

10.1063/1.468046

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 structure of two-dimensional configurations of spherocylinders (discorectangles) generated by random sequential adsorption (RSA) is analyzed via the circular harmonic expansion of the pair distribution function and compared to that of equilibrium fluids at the same density. The structural differences are minimal for short particles but become more pronounced as the aspect ratio of the particles increases. An analysis of the correlations between particles which adsorb at high coverage with their nearest neighbors in saturated RSA configurations, reveals that the most probable relative orientation for particles with aspect ratio α≈2 is perpendicular. This observation helps to explain the maximum in saturation coverage as a function of particle elongation near the aspect ratio α=2. © 1994 American Institute of Physics.

引用

页码：9164 / 9180

页数：17

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