MOLECULAR-DYNAMICS STUDY OF SLIDING FRICTION OF ORDERED ORGANIC MONOLAYERS

被引：155

作者：

GLOSLI, JN ^{[1
]}

MCCLELLAND, GM ^{[1
]}

机构：

[1] IBM CORP, ALMADEN RES CTR, DIV RES, SAN JOSE, CA 95120 USA

来源：

PHYSICAL REVIEW LETTERS | 1993年 / 70卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.70.1960

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Molecular dynamics is used to model the friction between two ordered monolayers of alkane chains six units long bound at their ends to two rigid substrates. Depending on the interfacial interaction strength, energy dissipation occurs by a discontinuous ''plucking'' mechanism and a continuous ''viscous'' mechanism. The plucking mechanism follows a simple thermal activation model, while for the viscous mechanism, friction force is enhanced at the rotator transition temperature of the films.

引用

页码：1960 / 1963

页数：4

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