Titanium oxide layers on aluminium substrates produced by the anodic spark deposition process

Titanium oxide layers were prepared on pure aluminium substrates by the anodic spark deposition method. The formed crystalline titania (TiO 2) phases rutile and anatase and the sodium titanium oxide (Na 0.23TiO 2) were identified. The corresponding crystallite size values were obtained from X-ray di...

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Bibliographic Details
Published in:Materials chemistry and physics 2011-07, Vol.128 (1), p.28-31
Main Authors: Angerer, P., Kiss, N., Löcker, Ch, Gavrilović, A., Artner, W., Godja, N., Nauer, G.E.
Format: Article
Language:English
Subjects:
Aluminium
Aluminum
Anatase
Anodic
Crystallites
Oxides
Phases
Raman spectroscopy
Rietveld analysis
Rutile
Titanium dioxide
Titanium oxides
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Summary:Titanium oxide layers were prepared on pure aluminium substrates by the anodic spark deposition method. The formed crystalline titania (TiO 2) phases rutile and anatase and the sodium titanium oxide (Na 0.23TiO 2) were identified. The corresponding crystallite size values were obtained from X-ray diffraction data by means of the Rietveld method. The crystallite size of each of these phases continuously increases with rising current density. Furthermore, the two-dimensional distribution of the titania phases on the sample surface was determined by Raman spectroscopy. It was found that the rutile/anatase ratio is inhomogeneous distributed on an observed area of 400 × 400 μm 2.
ISSN:0254-0584
1879-3312
DOI:10.1016/j.matchemphys.2011.03.027