Journal
VACUUM
Volume 86, Issue 6, Pages 608-613Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.vacuum.2011.07.054
Keywords
TiH2; TiO2; AES; XPS; SEM/EDXS; DSC/TG
Funding
- Physics and Chemistry of Porous aluminum for Al panels capable of highly efficiently energy absorption project [L2-2410]
- Slovenian Research Agency
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Titanium hydride is well known for its stability in air because of formation of thin TiO2 oxide layer on top of TiH2 powder particles. Formation of the oxide layer is directly related to high affinity of Ti to oxygen and it can be formed in few seconds also on top of TiH2 particles in low vacuum. On the other hand, thickness of TiO2 layer on the formed TiH2 powder is in the range of 130 nm. Existence of oxide layer on top of powder particles was confirmed with AES, XPS and EDXS cross section line scans. Formation of thin oxide was confirmed also with calculations based on chemical and TG analyses. (C) 2011 Elsevier Ltd. All rights reserved.
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