Lubricating properties of molybdenum disulphur: a density functional theory study

被引：19

作者：

Chermette, H

Rogemond, F

El Beqqali, O

Paul, JF

Donnet, C

Martin, JM

Le Mogne, T

机构：

[1] Univ Lyon 1, Lab Chim Phys Theor, F-69622 Villeurbanne, France

[2] Inst Rech Catalyse, UPR CNRS 5401, F-69622 Villeurbanne, France

[3] Ecole Cent Lyon, CNRS UMR 5513, Lab Tribol & Dynam Syst, F-69131 Ecully, France

来源：

SURFACE SCIENCE | 2001年 / 472卷 / 1-2期

关键词：

density functional calculations; photoelectron spectroscopy; lubrication; tribology; molybdenum; sulphur;

D O I：

10.1016/S0039-6028(00)00925-0

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 lubrication properties of MoS2 have been described in terms of electronic interactions between MoS2 sheets calculated through slab periodic density functional calculations. This approach is supported by experimental works on the ultrahigh vacuum friction of MoS2 coatings of thicknesses in the micrometer range (Phys, Rev. 48 (14) (1993) 10583), and in boundary lubrication by molybdenum containing organic compounds, such as molybdenum dithiocarbamate (J. Vac. Sci. Technol. A 17 (1999) 884). In this latter case we have shown that the friction reducing effect is ensured by in situ formed MoS2 single sheets. (C) 2001 Elsevier Science B.V. All rights reserved.

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页码：97 / 110

页数：14

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