Document Detail


Dimensional changes and phase transformation of TiO2 nanotubes heat-treated under oxygen-containing atmosphere.
MedLine Citation:
PMID:  22103139     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
The purpose of this study was to investigate the dimensional changes and phase transition of nanotubular titanium oxide arrays after heat treatment under an oxygen-containing atmosphere. The thermodynamic background for the oxidation of titanium to titanium oxide was theoretically investigated as a function of the oxygen partial pressure. The anodized titanium nanotubes had lengths between 400 and 500 nm, thicknesses of 11 nm and an amorphous structure. The specimens heat-treated at higher oxygen partial pressures preferentially had rutile phase rather than anatase phase. The thickness of the TiO2 nanotubes was increased at a lower oxygen partial pressure.
Authors:
Kwangmin Lee; Dongryoul Min; Sehoon Jeong; Kwi-Dug Yun; Hyunpil Lim; Sangwon Park
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of nanoscience and nanotechnology     Volume:  11     ISSN:  1533-4880     ISO Abbreviation:  J Nanosci Nanotechnol     Publication Date:  2011 Aug 
Date Detail:
Created Date:  2011-11-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101088195     Medline TA:  J Nanosci Nanotechnol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  7124-7     Citation Subset:  IM    
Affiliation:
Department of Materials Science and Engineering, Chonnam National University, Research Institute for Functional Surface Engineering, Gwangju 500-757, Korea.
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