Oxygen diffusion in SrZrO3

Nivot, C; Legros, C; Lesage, B; Kilo, M; Argirusis, C

dc.contributor.author	Nivot, C	en
dc.contributor.author	Legros, C	en
dc.contributor.author	Lesage, B	en
dc.contributor.author	Kilo, M	en
dc.contributor.author	Argirusis, C	en
dc.date.accessioned	2014-03-01T01:31:37Z
dc.date.available	2014-03-01T01:31:37Z
dc.date.issued	2009	en
dc.identifier.issn	0167-2738	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/19846
dc.subject	16O-18O exchange	en
dc.subject	Diffusion	en
dc.subject	SIMS measurements	en
dc.subject	SrZrO3	en
dc.subject.classification	Chemistry, Physical	en
dc.subject.classification	Physics, Condensed Matter	en
dc.subject.other	O-O exchange	en
dc.subject.other	Activation enthalpies	en
dc.subject.other	Bulk diffusions	en
dc.subject.other	Diffusion equations	en
dc.subject.other	Diffusion treatment	en
dc.subject.other	Grain-boundary diffusion	en
dc.subject.other	Isotopic exchange	en
dc.subject.other	Oxygen diffusion	en
dc.subject.other	Oxygen diffusion coefficients	en
dc.subject.other	Oxygen surface exchange coefficient	en
dc.subject.other	Oxygen tracers	en
dc.subject.other	Secondary ion mass spectroscopy	en
dc.subject.other	SIMS measurements	en
dc.subject.other	SrZrO	en
dc.subject.other	SrZrO	en
dc.subject.other	Surface exchange reactions	en
dc.subject.other	Surface exchanges	en
dc.subject.other	Activation energy	en
dc.subject.other	Diffusion in gases	en
dc.subject.other	Grain boundaries	en
dc.subject.other	Grain size and shape	en
dc.subject.other	Oxygen	en
dc.subject.other	Polycrystalline materials	en
dc.subject.other	Secondary ion mass spectrometry	en
dc.subject.other	Surface reactions	en
dc.subject.other	Surfaces	en
dc.subject.other	Surface diffusion	en
dc.title	Oxygen diffusion in SrZrO3	en
heal.type	journalArticle	en
heal.identifier.primary	10.1016/j.ssi.2009.05.008	en
heal.identifier.secondary	http://dx.doi.org/10.1016/j.ssi.2009.05.008	en
heal.language	English	en
heal.publicationDate	2009	en
heal.abstract	Oxygen diffusion coefficients in SrZrO3 polycrystals were determined using the isotopic exchange method with O-18 as oxygen tracer. Diffusion treatments were performed at different temperatures between 1173 K and 1473 K. Oxygen diffusion profiles were established by secondary ion mass spectroscopy (SIMS). Classical diffusion equations were used to fit experimental results and to determine bulk diffusion (D-vol) and surface exchange (k) coefficients of oxygen in SrZrO3 polycrystalline materials. From these values, bulk diffusion and grain boundary diffusion coefficients as well as oxygen surface exchange coefficients were determined. The activation energy of oxygen diffusion in the bulk is 2.1 eV, while for the diffusion in the grain boundary, 1.8 eV was found. The surface exchange reaction has an activation enthalpy of 1.2 eV. (c) 2009 Elsevier B.V. All rights reserved.	en
heal.publisher	ELSEVIER SCIENCE BV	en
heal.journalName	Solid State Ionics	en
dc.identifier.doi	10.1016/j.ssi.2009.05.008	en
dc.identifier.isi	ISI:000268565300003	en
dc.identifier.volume	180	en
dc.identifier.issue	17-19	en
dc.identifier.spage	1040	en
dc.identifier.epage	1044	en