Diffusion kinetics of indium ion TiO2 single crystal

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dc.contributor.authorAtanacio, AJen_AU
dc.contributor.authorBak, Ten_AU
dc.contributor.authorNowotny, Jen_AU
dc.contributor.authorPrince, KEen_AU
dc.date.accessioned2013-11-24T22:33:23Zen_AU
dc.date.available2013-03-22en_AU
dc.date.issued2013-05-11en_AU
dc.date.statistics2013-11-25en_AU
dc.description.abstractThis work determines the self-diffusion coefficients of indium in TiO2 single crystal (rutile). Diffusion concentration profiles were imposed by deposition of a thin surface layer of InCl3 on the TiO2 single crystal and subsequent annealing in the temperature range 10731573K. The diffusion-induced concentration profiles of indium as a function of depth were determined using secondary ion mass spectrometry (SIMS). These diffusion profiles were used to calculate the self-diffusion coefficients of indium in the polycrystalline In2TiO5 surface layer and the TiO2 single crystal. The temperature dependence of the respective diffusion coefficients, in the range 10731573K, can be expressed by the following formulas: DInIn2TiO5=1.9x1013exp(142kJ/molRT)[m2s1] and DInTiO2=7.4x104exp(316kJ/molRT)[m2s1] The obtained activation energy for bulk diffusion of indium in rutile (316kJ/mol) is similar to that of zirconium in rutile (325kJ/mol). The determined diffusion data can be used in selection of optimal processing conditions for TiO2In2O3 solid solutions.© 2013 The American Ceramic Societyen_AU
dc.identifier.citationAtanacio, A.J., Back, T., Nowotny, J., & Prince, K.E. (2013). Diffusion kinetics of indium ion TiO2 single crystal. Journal of the American Ceramic Society, 96 (5), 1366-1371. doi.10.1111/jace.12244en_AU
dc.identifier.govdoc5228en_AU
dc.identifier.issn0002-7820en_AU
dc.identifier.issue5en_AU
dc.identifier.journaltitleJournal of the American Ceramic Societyen_AU
dc.identifier.pagination1366-1371en_AU
dc.identifier.urihttp://dx.doi.org/10.1111/jace.12244en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/4996en_AU
dc.identifier.volume96en_AU
dc.language.isoenen_AU
dc.publisherJohn Wiley & Sonsen_AU
dc.subjectCrystalsen_AU
dc.subjectMass spectroscopyen_AU
dc.subjectThalliumen_AU
dc.subjectIndiumen_AU
dc.subjectWateren_AU
dc.subjectElectrodesen_AU
dc.titleDiffusion kinetics of indium ion TiO2 single crystalen_AU
dc.typeJournal Articleen_AU
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