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pubmed-article:16633592rdf:typepubmed:Citationlld:pubmed
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pubmed-article:16633592pubmed:issue9lld:pubmed
pubmed-article:16633592pubmed:dateCreated2006-4-24lld:pubmed
pubmed-article:16633592pubmed:abstractTextThe lattice parameter of nanocrystalline ceria films prepared by sputtering was monitored as a function of annealing temperature. Within the temperature range of 150-420 degrees C, an equilibrium with atmospheric oxygen is established within a few hours, whereas grain growth does not occur. On the basis of the experimental results and analysis of literature data, we present a model that posits the formation of a non-uniform grain structure with stoichiometric interiors and oxygen deficient boundaries. This model, based on defect thermodynamics, correctly describes the dependence of the lattice parameter of nanocrystalline ceria on annealing temperature and grain size and can be extended to other materials as well.lld:pubmed
pubmed-article:16633592pubmed:languageenglld:pubmed
pubmed-article:16633592pubmed:journalhttp://linkedlifedata.com/r...lld:pubmed
pubmed-article:16633592pubmed:statusPubMed-not-MEDLINElld:pubmed
pubmed-article:16633592pubmed:monthMarlld:pubmed
pubmed-article:16633592pubmed:issn1463-9076lld:pubmed
pubmed-article:16633592pubmed:authorpubmed-author:MaierJJlld:pubmed
pubmed-article:16633592pubmed:authorpubmed-author:WachtelEElld:pubmed
pubmed-article:16633592pubmed:authorpubmed-author:FeldmanYYlld:pubmed
pubmed-article:16633592pubmed:authorpubmed-author:FleigJJlld:pubmed
pubmed-article:16633592pubmed:authorpubmed-author:KossoyAAlld:pubmed
pubmed-article:16633592pubmed:authorpubmed-author:GartsmanKKlld:pubmed
pubmed-article:16633592pubmed:authorpubmed-author:LubomirskyIIlld:pubmed
pubmed-article:16633592pubmed:issnTypePrintlld:pubmed
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pubmed-article:16633592pubmed:volume8lld:pubmed
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pubmed-article:16633592pubmed:authorsCompleteYlld:pubmed
pubmed-article:16633592pubmed:pagination1111-5lld:pubmed
pubmed-article:16633592pubmed:year2006lld:pubmed
pubmed-article:16633592pubmed:articleTitleOn the origin of the lattice constant anomaly in nanocrystalline ceria.lld:pubmed
pubmed-article:16633592pubmed:affiliationDepartment of Materials Interfaces Weizmann Institute of Science, Rehovot 76100, Israel.lld:pubmed
pubmed-article:16633592pubmed:publicationTypeJournal Articlelld:pubmed