Fluctuations and jump dynamics in atomic friction experiments

被引：95

作者：

Maier, S

Sang, Y

Filleter, T

Grant, M

Bennewitz, R

Gnecco, E

Meyer, E

机构：

[1] McGill Univ, Dept Phys, Montreal, PQ, Canada

[2] Univ Basel, Dept Phys & Astron, CH-4003 Basel, Switzerland

来源：

PHYSICAL REVIEW B | 2005年 / 72卷 / 24期

关键词：

D O I：

10.1103/PhysRevB.72.245418

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Atomic stick-slip processes have been studied in detail by means of friction force microscopy with high spatial and temporal resolution. The influence of the tip-sample contact on the thermal fluctuations of the force sensor and on the dynamics of the stick-slip process are characterized. Results are compared with simulations based on an extended Tomlinson model including thermal fluctuations. A correlation between the duration of the atomic slip event and the atomic structure of the contact is established.

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页数：9

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