Journal
MATERIALS LETTERS
Volume 63, Issue 23, Pages 2003-2006Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2009.06.036
Keywords
Nanomaterials; Thin films; Titanium; Anodization; Anatase; Hydroxyapatite
Funding
- Brain Korea 21 (BK21)
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TiO2 was anodically formed on titanium from electrolyte containing 1M Na2SO4 and 0.5 wt.% NaF. Oxidation was carried out for 1 h at potentiostatic 20, 30 and 40 V from unstirred as well as stirred baths. At 20 V amorphous and nanotubular oxide is produced irrespective of the stirring conditions. Stirring increased the tubular length compared to the unstirred condition at 20 V. Oxidations at 30 and 40 V produced flat, crystalline anatase under both the bath conditions. A nanotubular network may be formed in the first 5 min and then anodic oxidation may occur laterally, perpendicular to the long-axis of the nanotubes. (C) 2009 Elsevier B.V. All rights reserved.
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