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나노 구조 물리 연구단
나노구조물리 연구단
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Electronic and Thermal Transport Properties of Complex Structured Cu-Bi-Se Thermoelectric Compound with Low Lattice Thermal Conductivity

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dc.contributor.authorJae-Yeol Hwangko
dc.contributor.authorMun, Hko
dc.contributor.authorCho, JYko
dc.contributor.authorYang, SSko
dc.contributor.authorLee, KHko
dc.contributor.authorSung Wng Kimko
dc.date.available2015-04-20T07:21:21Z-
dc.date.created2014-09-12ko
dc.date.issued2013ko
dc.identifier.issn1687-4110ko
dc.identifier.urihttp://pr.ibs.re.kr/handle/8788114/1405ko
dc.description.abstractMonoclinic Cux+yBi5-ySe8 structure has multiple disorders, such as randomly distributed substitutional and interstitial disorders by Cu as well as asymmetrical disorders by Se. Herein, we report the correlation of electronic and thermal properties with the structural complexities of Cux+yBi5-ySe8. It is found that the interstitial Cu site plays an important role not only to increase the electrical conductivity due to the generation of electron carriers but also to reduce the thermal conductivity mainly due to the phonon scattering by mass fluctuation. With impurity doping at the interstitial Cu site, an extremely low lattice thermal conductivity of 0.32 W·m-1·K -1 was achieved at 560 K. These synergetic effects result in the enhanced dimensionless figure of merit (ZT). © 2013 Jae-Yeol Hwang et al.ko
dc.languageENGko
dc.publisherHINDAWI PUBLISHING CORPORATIONko
dc.titleElectronic and Thermal Transport Properties of Complex Structured Cu-Bi-Se Thermoelectric Compound with Low Lattice Thermal Conductivityko
dc.typeARTICLEko
dc.type.rimsAko
dc.identifier.wosid000324747200001ko
dc.identifier.scopusid2-s2.0-84884871373ko
dc.identifier.pid342null
dc.description.wostc3-
dc.date.scptcdate2018-10-01-
dc.subject.keywordDimensionless figure of merit-
dc.subject.keywordElectrical conductivity-
dc.subject.keywordElectronic and thermal transports-
dc.subject.keywordLattice thermal conductivity-
dc.subject.keywordRandomly distributed-
dc.subject.keywordStructural complexity-
dc.subject.keywordSynergetic effect-
dc.subject.keywordThermoelectric compound-
dc.subject.keywordCrystal lattices-
dc.subject.keywordTransport properties-
dc.subject.keywordThermal conductivity-
dc.identifier.doi10.1155/2013/502150ko
dc.identifier.bibliographicCitationJOURNAL OF NANOMATERIALS, v.2013, no., pp.502150 -ko
dc.date.tcdate2018-10-01-
dc.description.scptc4-
dc.type.docTypeArticle-
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Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
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