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Jo, Wook
Sustainable Functional Ceramics Lab.
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dc.citation.endPage 1529 -
dc.citation.number 5 -
dc.citation.startPage 1523 -
dc.citation.title JOURNAL OF THE AMERICAN CERAMIC SOCIETY -
dc.citation.volume 97 -
dc.contributor.author Zang, Jiadong -
dc.contributor.author Li, Ming -
dc.contributor.author Sinclair, Derek C. -
dc.contributor.author Jo, Wook -
dc.contributor.author Roedel, Juergen -
dc.date.accessioned 2023-12-22T02:40:38Z -
dc.date.available 2023-12-22T02:40:38Z -
dc.date.created 2014-10-15 -
dc.date.issued 2014-05 -
dc.description.abstract The electrical and dielectric properties of (1-x)(0.94Bi(1/2)Na(1/2)TiO(3)-0.06BaTiO(3))-x(K0.5Na0.5NbO3) with x=0, 0.03, 0.09, 0.18 have been investigated by impedance spectroscopy over a wide temperature range. The dc conductivity of the ceramics follows the Arrhenius law with an activation energy ranging from similar to 1.20 to 1.50eV. Measurements under different atmospheres show the materials exhibit n-type semiconducting behavior at elevated temperatures. The presence of a highly polarizable phase for all compositions is revealed by electric modulus (M) spectra. The Burns temperature decreases with increasing KNN content. The change in temperature-dependent permittivity with composition is explained by the difference in thermal evolution of polar nanoregions induced by the addition of KNN. -
dc.identifier.bibliographicCitation JOURNAL OF THE AMERICAN CERAMIC SOCIETY, v.97, no.5, pp.1523 - 1529 -
dc.identifier.doi 10.1111/jace.12804 -
dc.identifier.issn 0002-7820 -
dc.identifier.scopusid 2-s2.0-84900838435 -
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/7208 -
dc.identifier.wosid 000335809400032 -
dc.language 영어 -
dc.publisher WILEY-BLACKWELL -
dc.title Impedance Spectroscopy of (Bi1/2Na1/2)TiO3-BaTiO3 Ceramics Modified with ( K0.5Na0.5)NbO3 -
dc.type Article -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -

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