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Jo, Wook
Sustainable Functional Ceramics Lab
Research Interests
  • Lead-free piezoceramics, ultra - low temperature sintering, ferroelectrics, relaxor ferroelectrics, 2D materials, magnetoelectric materials, multiferroics

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Thermoelectric properties and texture evaluation of Ca3Co4O9 prepared by a cost-effective multisheet cofiring technique

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dc.contributor.author Kwon, O-Jong ko
dc.contributor.author Jo, Wook ko
dc.contributor.author Ko, Kyeong-Eun ko
dc.contributor.author Kim, Jae-Yeol ko
dc.contributor.author Bae, Sung-Hwan ko
dc.contributor.author Koo, Hyun ko
dc.contributor.author Jeong, Seong-Min ko
dc.contributor.author Kim, Jin-Sang ko
dc.contributor.author Park, Chan ko
dc.date.available 2014-12-24T00:17:11Z -
dc.date.created 2014-12-23 ko
dc.date.issued 2011-05 -
dc.identifier.citation JOURNAL OF MATERIALS SCIENCE, v.46, no.9, pp.2887 - 2894 ko
dc.identifier.issn 0022-2461 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/9599 -
dc.identifier.uri http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=79952105854 ko
dc.description.abstract Highly textured Ca3Co4O9 thermoelectrics were fabricated by a so-called multisheet cofiring (MSC) technique in combination with the commonly practiced spark plasma sintering (SPS) technique. X-ray diffraction analysis revealed that the MSC technique significantly enhances the degree of texture compared with the conventional SPS technique. This was confirmed by microstructure analysis performed on polished and chemically etched specimens. The power factor and the thermoelectric figure of merit for the specimen produced by the MSC technique were estimated to be similar to 5.2 x 10(-4) W/mK(2) and similar to 0.4, respectively, both of which are similar to 20% larger than those of the normally processed specimens. A comparative study of the thermoelectric properties, such as electrical resistivity and Seebeck coefficient, clearly demonstrated that texture mainly influences the electrical resistivity and consequently enhances the thermoelectric properties. ko
dc.description.statementofresponsibility close -
dc.language ENG ko
dc.publisher SPRINGER ko
dc.subject Co-firing ko
dc.subject Comparative studies ko
dc.subject Electrical resistivity ko
dc.subject Microstructure analysis ko
dc.subject Multi-sheet ko
dc.subject Power factors ko
dc.subject Thermoelectric figure of merit ko
dc.subject Thermoelectric properties ko
dc.subject Thermoelectrics ko
dc.title Thermoelectric properties and texture evaluation of Ca3Co4O9 prepared by a cost-effective multisheet cofiring technique ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-79952105854 ko
dc.identifier.wosid 000287527600008 ko
dc.type.rims ART ko
dc.description.wostc 9 *
dc.description.scopustc 9 *
dc.date.tcdate 2015-05-06 *
dc.date.scptcdate 2014-12-23 *
dc.identifier.doi 10.1007/s10853-010-5163-3 ko
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