Microstructure, chemistry, and tribological performance of MoSx/WSey co-sputtered composites

Autor:	H. Haefke, C. P. Constable, M. C. Simmonds, Alan Savan
Rok vydání:	2002
Předmět:	Chemistry Composite number Surfaces and Interfaces Sputter deposition Condensed Matter Physics Microstructure Surfaces Coatings and Films Surface coating symbols.namesake X-ray photoelectron spectroscopy Sputtering symbols Composite material Thin film Raman spectroscopy
Zdroj:	Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films. 20:1682-1689
ISSN:	1520-8559 0734-2101
Popis:	Co-sputtered thin films have been deposited from MoS2 and WSe2 targets in order to investigate the relationships between tribological behavior and film microstructure. The stoichiometries of pure films for the sputtering conditions used, were found to be MoS1.6 and WSe1.5 as measured by wavelength dispersive x-ray analysis. The mechanical properties of the composite films were investigated by pin-on-disk wear testing in 50% relative humidity air as a function of WSe2 concentration. X-ray diffraction measurements indicate that the microstructure is strongly affected by the inclusion of WSe2 and there is a strong correlation between microstructure and tribological performance. X-ray and Raman measurements indicate a large increase in the c axis of the MoS2, which may be due to intercalation. X-ray photoelectron spectroscopy measurements show no evidence that either Se or W chemically substitutes into the MoS2 structure.
Databáze:	OpenAIRE
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