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dc.contributor.authorShlyakhtin, Oleg A.-
dc.contributor.authorOh, Young-Jei-
dc.date.accessioned2024-01-20T22:00:46Z-
dc.date.available2024-01-20T22:00:46Z-
dc.date.created2021-09-03-
dc.date.issued2009-03-
dc.identifier.issn1546-542X-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/132715-
dc.description.abstractThe liquid phase sintering of fine BiNbO4 powders allows to obtain dense ceramics with excellent microwave dielectric properties (epsilon=44-46; Q x f=16,500-21,600 GHz) at T >= 700 degrees C. The thermal decomposition of freeze-dried precursors results in the crystallization of a metastable beta'-BiNbO4 polymorph that transforms into a stable orthorhombic alpha-modification at T >= 700 degrees C. The dependence of sinterability on the powder synthesis temperature shows the maximum at 600 degrees C, corresponding to the formation of crystalline BiNbO4 powders with a grain size 80-100 nm. Sintering temperature reduction to 700 degrees C prevents the deterioration of silver contacts during co-firing with BiNbO4 ceramics. In situ scanning electron microscopy observation of the morphological evolution during sintering shows that the intense shrinkage soon after the appearance of a CuO-V2O5 eutectics-based liquid phase is accompanied by complete transformation of the ensemble of primary BiNbO4 particles.-
dc.languageEnglish-
dc.publisherWILEY-
dc.subjectMICROWAVE DIELECTRIC-PROPERTIES-
dc.subjectSINTERING BEHAVIOR-
dc.subjectELECTRICAL-PROPERTIES-
dc.subjectCUO-V2O5 MIXTURES-
dc.subjectSILVER ELECTRODES-
dc.subjectCRYSTAL-STRUCTURE-
dc.subjectSINGLE-CRYSTALS-
dc.subjectLIQUID-PHASE-
dc.subjectTAU(F) VALUE-
dc.subjectV2O5-
dc.titleA Chemical Route to BiNbO4 Ceramics-
dc.typeArticle-
dc.identifier.doi10.1111/j.1744-7402.2008.02278.x-
dc.description.journalClass1-
dc.identifier.bibliographicCitationINTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY, v.6, no.2, pp.312 - 323-
dc.citation.titleINTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY-
dc.citation.volume6-
dc.citation.number2-
dc.citation.startPage312-
dc.citation.endPage323-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.identifier.wosid000264020600024-
dc.identifier.scopusid2-s2.0-62649155249-
dc.relation.journalWebOfScienceCategoryMaterials Science, Ceramics-
dc.relation.journalResearchAreaMaterials Science-
dc.type.docTypeArticle-
dc.subject.keywordPlusMICROWAVE DIELECTRIC-PROPERTIES-
dc.subject.keywordPlusSINTERING BEHAVIOR-
dc.subject.keywordPlusELECTRICAL-PROPERTIES-
dc.subject.keywordPlusCUO-V2O5 MIXTURES-
dc.subject.keywordPlusSILVER ELECTRODES-
dc.subject.keywordPlusCRYSTAL-STRUCTURE-
dc.subject.keywordPlusSINGLE-CRYSTALS-
dc.subject.keywordPlusLIQUID-PHASE-
dc.subject.keywordPlusTAU(F) VALUE-
dc.subject.keywordPlusV2O5-
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