Velocity dependence of atomic friction

被引：513

作者：

Gnecco, E ^{[1
]}

Bennewitz, R ^{[1
]}

Gyalog, T ^{[1
]}

Loppacher, C ^{[1
]}

Bammerlin, M ^{[1
]}

Meyer, E ^{[1
]}

Güntherodt, HJ ^{[1
]}

机构：

[1] Univ Basel, Inst Phys, CH-4056 Basel, Switzerland

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 06期

关键词：

D O I：

10.1103/PhysRevLett.84.1172

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Sliding friction between the tip of a friction force microscope and NaCl(100) was studied to deduce the velocity dependence of friction forces on the atomic scale. A logarithmic dependence of the mean friction force is revealed at low velocities. The experimental data are interpreted in terms of a modified Tomlinson model which is based on reaction rate theory.

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页码：1172 / 1175

页数：4

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