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Microstructural evolution and dielectric properties of Cu-deficient and Cu-excess CaCu3Ti4O12 ceramics

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dc.contributor.authorKim, Kang-Min-
dc.contributor.authorLee, Jong-Heun-
dc.contributor.authorLee, Kyung-Min-
dc.contributor.authorKim, Doh-Yeon-
dc.contributor.authorRiu, Doh-Hyung-
dc.contributor.authorLee, Sung Bo-
dc.date.accessioned2021-09-09T11:22:43Z-
dc.date.available2021-09-09T11:22:43Z-
dc.date.created2021-06-10-
dc.date.issued2008-02-05-
dc.identifier.issn0025-5408-
dc.identifier.urihttps://scholar.korea.ac.kr/handle/2021.sw.korea/124089-
dc.description.abstractThe microstructural evolution and dielectric properties of CaCu3-xTi4O12-x (3 - x = 2.8-3.05) ceramics were investigated. Normal grain growth behavior was observed at Cu/Ca <= 2.9, while abnormal grain growth was observed at Cu/Ca >= 2.95. A CuO-rich intergranular liquid phase at Cu/Ca >= 2.95 and angular grain morphology were the main reasons for abnormal grain growth. However, the abundant intergranular liquid at Cu/Ca = 3.05 significantly affected the relative dielectric permittivity and dielectric loss. The CuO composition is the key parameter that determines the microstructure and dielectric properties of CCTO ceramics. (c) 2007 Elsevier Ltd. All rights reserved.-
dc.languageEnglish-
dc.language.isoen-
dc.publisherPERGAMON-ELSEVIER SCIENCE LTD-
dc.subjectABNORMAL GRAIN-GROWTH-
dc.subjectELECTRICAL-CONDUCTION-
dc.subjectCONSTANT-
dc.subjectLIQUID-
dc.subjectKINETICS-
dc.titleMicrostructural evolution and dielectric properties of Cu-deficient and Cu-excess CaCu3Ti4O12 ceramics-
dc.typeArticle-
dc.contributor.affiliatedAuthorLee, Jong-Heun-
dc.identifier.doi10.1016/j.materresbull.2007.03.014-
dc.identifier.scopusid2-s2.0-37349068673-
dc.identifier.wosid000252579800011-
dc.identifier.bibliographicCitationMATERIALS RESEARCH BULLETIN, v.43, no.2, pp.284 - 291-
dc.relation.isPartOfMATERIALS RESEARCH BULLETIN-
dc.citation.titleMATERIALS RESEARCH BULLETIN-
dc.citation.volume43-
dc.citation.number2-
dc.citation.startPage284-
dc.citation.endPage291-
dc.type.rimsART-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaMaterials Science-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.subject.keywordPlusABNORMAL GRAIN-GROWTH-
dc.subject.keywordPlusELECTRICAL-CONDUCTION-
dc.subject.keywordPlusCONSTANT-
dc.subject.keywordPlusLIQUID-
dc.subject.keywordPlusKINETICS-
dc.subject.keywordAuthoroxides-
dc.subject.keywordAuthorelectronic materials-
dc.subject.keywordAuthordielectric properties-
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