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Article: Annealing study of titanium oxide nanotube arrays
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TitleAnnealing study of titanium oxide nanotube arrays
 
AuthorsYang, B1
Ng, CK1
Fung, MK1
Ling, CC1
Djurišić, AB1
Fung, S1
 
KeywordsAnnealing
Defects
Nanostructures
Positron annihilation spectroscopy
 
Issue Date2011
 
PublisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/matchemphys
 
CitationMaterials Chemistry And Physics, 2011, v. 130 n. 3, p. 1227-1231 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.matchemphys.2011.08.063
 
AbstractTitanium dioxide nanotube arrays fabricated by anodization of titanium foil and annealed at different temperatures were studied using X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and positron annihilation spectroscopy (PAS). The crystallization process and morphological changes of the nanotubes have been discussed. It was found that anatase (1 0 1) only appeared on the walls of the nanotubes. The atomic concentration of fluoride and the ratio of Ti/O decreased when the annealing temperature increased. Vacancy type defects were found to diffuse toward the surface when the samples were annealed at 200 °C and 400 °C and healing of vacancies occurred at 600 °C. In addition, fluoride may form some complexes with vacancies on the surface hence lowering the value of S parameter. © 2011 Elsevier B.V. All rights reserved.
 
ISSN0254-0584
2013 Impact Factor: 2.129
2013 SCImago Journal Rankings: 0.892
 
DOIhttp://dx.doi.org/10.1016/j.matchemphys.2011.08.063
 
ISI Accession Number IDWOS:000296830500062
Funding AgencyGrant Number
Research Grant Council of the Hong Kong Special Administrative Region, ChinaHKU7021/10P
Funding Information:

The work described in this paper is supported by the GRF grant from the Research Grant Council of the Hong Kong Special Administrative Region, China (under project no. HKU7021/10P).

 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorYang, B
 
dc.contributor.authorNg, CK
 
dc.contributor.authorFung, MK
 
dc.contributor.authorLing, CC
 
dc.contributor.authorDjurišić, AB
 
dc.contributor.authorFung, S
 
dc.date.accessioned2011-11-24T10:04:42Z
 
dc.date.available2011-11-24T10:04:42Z
 
dc.date.issued2011
 
dc.description.abstractTitanium dioxide nanotube arrays fabricated by anodization of titanium foil and annealed at different temperatures were studied using X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and positron annihilation spectroscopy (PAS). The crystallization process and morphological changes of the nanotubes have been discussed. It was found that anatase (1 0 1) only appeared on the walls of the nanotubes. The atomic concentration of fluoride and the ratio of Ti/O decreased when the annealing temperature increased. Vacancy type defects were found to diffuse toward the surface when the samples were annealed at 200 °C and 400 °C and healing of vacancies occurred at 600 °C. In addition, fluoride may form some complexes with vacancies on the surface hence lowering the value of S parameter. © 2011 Elsevier B.V. All rights reserved.
 
dc.description.naturelink_to_subscribed_fulltext
 
dc.identifier.citationMaterials Chemistry And Physics, 2011, v. 130 n. 3, p. 1227-1231 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.matchemphys.2011.08.063
 
dc.identifier.citeulike9841257
 
dc.identifier.doihttp://dx.doi.org/10.1016/j.matchemphys.2011.08.063
 
dc.identifier.epage1231
 
dc.identifier.hkuros197739
 
dc.identifier.isiWOS:000296830500062
Funding AgencyGrant Number
Research Grant Council of the Hong Kong Special Administrative Region, ChinaHKU7021/10P
Funding Information:

The work described in this paper is supported by the GRF grant from the Research Grant Council of the Hong Kong Special Administrative Region, China (under project no. HKU7021/10P).

 
dc.identifier.issn0254-0584
2013 Impact Factor: 2.129
2013 SCImago Journal Rankings: 0.892
 
dc.identifier.issue3
 
dc.identifier.scopuseid_2-s2.0-80054030649
 
dc.identifier.spage1227
 
dc.identifier.urihttp://hdl.handle.net/10722/143381
 
dc.identifier.volume130
 
dc.languageeng
 
dc.publisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/matchemphys
 
dc.publisher.placeSwitzerland
 
dc.relation.ispartofMaterials Chemistry and Physics
 
dc.relation.referencesReferences in Scopus
 
dc.subjectAnnealing
 
dc.subjectDefects
 
dc.subjectNanostructures
 
dc.subjectPositron annihilation spectroscopy
 
dc.titleAnnealing study of titanium oxide nanotube arrays
 
dc.typeArticle
 
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Author Affiliations
  1. The University of Hong Kong