Effects of Atmospheric Powder and Grain Size on Electrical Properties of Lanthanum-modified PbTiO₃ Ceramics

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dc.contributor.authorKang, Byung Sungko
dc.contributor.authorYou, Dong Jooko
dc.contributor.authorChoi, Si Kyungko
dc.date.accessioned2013-03-03T08:01:53Z-
dc.date.available2013-03-03T08:01:53Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2000-12-
dc.identifier.citationJOURNAL OF THE KOREAN CERAMIC SOCIETY , v.6, no.4, pp.396 - 400-
dc.identifier.issn1225-9381-
dc.identifier.urihttp://hdl.handle.net/10203/77884-
dc.description.abstractDielectric and piezoelectric properties of Pb0.9La0.1TiO₃ ceramics were investigated as a function of grain size. Sintering atmosphere was controlled with changing the kind of atmosphere powder and its amount. It was confirmed that dielectric and piezoelectric properties of Pb0.9La0.1TiO₃ were strongly influenced by the sintering atmosphere. Relative dielectric constant of Pb0.9La0.1TiO₃, which was sintered in PbO-deficient atmosphere made by Pb0.9La0.1TiO₃ powder, increased with the grain size. However, the dielectric constant of the samples sintered in the PbO-sufficient atmosphere made by PbZrO₃ powder was slightly decreased with the grain size. Piezoelectric d33 constant of Pb0.9La0.1TiO₃ also showed a different trend, depending on the sintering atmosphere. It was almost constant in the range of grain size of 1.3~2.3 ㎛ when the samples were sintered in the PbO-sufficient atmosphere, while it intensively decreased with the grain size in the case of the PbO-deficient conditon.-
dc.languageEnglish-
dc.publisherThe Korean Ceramic Society-
dc.titleEffects of Atmospheric Powder and Grain Size on Electrical Properties of Lanthanum-modified PbTiO₃ Ceramics-
dc.typeArticle-
dc.type.rimsART-
dc.citation.volume6-
dc.citation.issue4-
dc.citation.beginningpage396-
dc.citation.endingpage400-
dc.citation.publicationnameJOURNAL OF THE KOREAN CERAMIC SOCIETY-
dc.contributor.localauthorChoi, Si Kyung-
dc.contributor.nonIdAuthorKang, Byung Sung-
dc.contributor.nonIdAuthorYou, Dong Joo-
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MS-Journal Papers(저널논문)
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