Effect of Heat Treatment on Phase Transition of Nanotubular Titanium Oxide Arrays
The purpose of this study was to investigate the effects of heat treatment on the cystallinity of titanium nanotubes. The titanium nanotubes had diameters ranging from 90–95 nm, lengths between 400–500 nm, and thicknesses of 11 nm. After heat treatment at high temperatures,
the diameter and length of the nanotubes decreased, whereas the thickness increased. The titanium nanotubes exhibited amorphous + anatase phases at 300 °C, anatase + rutile phases at 500 °C and a rutile phase at 800 °C.
Keywords: ANATASE; HEAT TREATMENT; PHASE TRANSITION; RUTILE; TEM; TIO2 NANOTUBE
Document Type: Research Article
Publication date: 01 February 2011
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