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Article: Annealing study of titanium oxide nanotube arrays
Title | Annealing study of titanium oxide nanotube arrays | ||||
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Authors | |||||
Keywords | Annealing Defects Nanostructures Positron annihilation spectroscopy | ||||
Issue Date | 2011 | ||||
Publisher | Elsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/matchemphys | ||||
Citation | Materials Chemistry And Physics, 2011, v. 130 n. 3, p. 1227-1231 How to Cite? | ||||
Abstract | Titanium 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. | ||||
Persistent Identifier | http://hdl.handle.net/10722/143381 | ||||
ISSN | 2023 Impact Factor: 4.3 2023 SCImago Journal Rankings: 0.769 | ||||
ISI Accession Number ID |
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). | ||||
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Yang, B | en_HK |
dc.contributor.author | Ng, CK | en_HK |
dc.contributor.author | Fung, MK | en_HK |
dc.contributor.author | Ling, CC | en_HK |
dc.contributor.author | Djurišić, AB | en_HK |
dc.contributor.author | Fung, S | en_HK |
dc.date.accessioned | 2011-11-24T10:04:42Z | - |
dc.date.available | 2011-11-24T10:04:42Z | - |
dc.date.issued | 2011 | en_HK |
dc.identifier.citation | Materials Chemistry And Physics, 2011, v. 130 n. 3, p. 1227-1231 | en_HK |
dc.identifier.issn | 0254-0584 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/143381 | - |
dc.description.abstract | Titanium 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. | en_HK |
dc.language | eng | en_US |
dc.publisher | Elsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/matchemphys | en_HK |
dc.relation.ispartof | Materials Chemistry and Physics | en_HK |
dc.subject | Annealing | en_HK |
dc.subject | Defects | en_HK |
dc.subject | Nanostructures | en_HK |
dc.subject | Positron annihilation spectroscopy | en_HK |
dc.title | Annealing study of titanium oxide nanotube arrays | en_HK |
dc.type | Article | en_HK |
dc.identifier.email | Ling, CC: ccling@hkucc.hku.hk | en_HK |
dc.identifier.email | Djurišić, AB: dalek@hku.hk | en_HK |
dc.identifier.email | Fung, S: sfung@hku.hk | en_HK |
dc.identifier.authority | Ling, CC=rp00747 | en_HK |
dc.identifier.authority | Djurišić, AB=rp00690 | en_HK |
dc.identifier.authority | Fung, S=rp00695 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.matchemphys.2011.08.063 | en_HK |
dc.identifier.scopus | eid_2-s2.0-80054030649 | en_HK |
dc.identifier.hkuros | 197739 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-80054030649&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 130 | en_HK |
dc.identifier.issue | 3 | en_HK |
dc.identifier.spage | 1227 | en_HK |
dc.identifier.epage | 1231 | en_HK |
dc.identifier.isi | WOS:000296830500062 | - |
dc.publisher.place | Switzerland | en_HK |
dc.identifier.scopusauthorid | Yang, B=7404472939 | en_HK |
dc.identifier.scopusauthorid | Ng, CK=39861750400 | en_HK |
dc.identifier.scopusauthorid | Fung, MK=35191896100 | en_HK |
dc.identifier.scopusauthorid | Ling, CC=13310239300 | en_HK |
dc.identifier.scopusauthorid | Djurišić, AB=7004904830 | en_HK |
dc.identifier.scopusauthorid | Fung, S=7201970040 | en_HK |
dc.identifier.citeulike | 9841257 | - |
dc.identifier.issnl | 0254-0584 | - |