Oxidation of vanadium nitride and titanium nitride coatings

descriptionPublicationkeyboard_double_arrow_right Article 01 Feb 2007 English Publisher:Elsevier BVJournal:Surface Science, volume 601, pages 1,153-1,159 (issn: 0039-6028,

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Authors: A. Glaser; S. Surnev; F.P. Netzer; N. Fateh; G.A. Fontalvo; C. Mitterer;

doi: 10.1016/j.susc.2006.12.010

Oxidation of vanadium nitride and titanium nitride coatings

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Abstract

Abstract The oxidation of vanadium nitride (VN) and titanium nitride (TiN) coatings in ultra-high vacuum has been investigated in situ by X-ray photoelectron spectroscopy. On the VN coatings mixed oxide layers containing V3+ and V4+ species form at elevated temperatures (⩾600°C) and at high oxygen exposures, which cover completely the VN surface. Under similar oxidation conditions the TiN surface oxidises partially to a mixture of TiO2 and Ti oxynitride (TiOxNy) phases. This oxidation behaviour has been correlated to the tribological properties of the VN and TiN coatings investigated recently.

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