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College of Engineering(공과대학)Dept. of Materials Science and Engineering(신소재공학과)MS-Journal Papers(저널논문)

Fe doping effects on phase stability and conductivity of La0.75Sr0.25Ga0.8Mg0.2O3-delta

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dc.contributor.authorYoo, Jin Seongko
dc.contributor.authorLee, Shiwooko
dc.contributor.authorYu, Ji Haengko
dc.contributor.authorWoo, Sang Kukko
dc.contributor.authorPark, Hunko
dc.contributor.authorKim, Ho Giko
dc.date.accessioned2013-03-09T16:45:06Z-
dc.date.available2013-03-09T16:45:06Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2009-09-
dc.identifier.citationJOURNAL OF POWER SOURCES, v.193, no.2, pp.593 - 597-
dc.identifier.issn0378-7753-
dc.identifier.urihttp://hdl.handle.net/10203/96896-
dc.description.abstractThe effects of Fe doping on phase stability and electrical conductivity were investigated for the 25 mol% Sr and 20 mol% Mg-doped lanthanum gallates (LSGM-2520). While secondary phases, in addition to perovskite phase, were formed for an undoped LSGM-2520 in accordance with previous reports, a single phase perovskite phase was obtained by addition of a small amount (similar to 4 mol%) of Fe to LSGM-2520. The conductivity of 4 mol% Fe-doped LSGM-2520 was as high as 0.17 S cm(-1) at 800 degrees C and it was confirmed to be ionic based on its dependency on oxygen partial pressures. Crystallographic analysis using neutron diffraction and electron diffraction determined the crystal structure and lattice parameters for 4 mol% Fe-doped LSGM-2520. (C) 2009 Elsevier B.V. All rights reserved.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE BV-
dc.subjectOXIDE-ION CONDUCTIVITY-
dc.subjectDOPED LANTHANUM GALLATE-
dc.subjectPEROVSKITE-TYPE OXIDE-
dc.subjectFUEL-CELLS-
dc.subjectINTERMEDIATE TEMPERATURE-
dc.subjectPOWER-DENSITY-
dc.subjectLAGAO3-
dc.subjectCO-
dc.subjectLA0.8SR0.2GA0.8MG0.2O3-
dc.subjectELECTROLYTE-
dc.titleFe doping effects on phase stability and conductivity of La0.75Sr0.25Ga0.8Mg0.2O3-delta-
dc.typeArticle-
dc.identifier.wosid000268521100030-
dc.identifier.scopusid2-s2.0-67649387980-
dc.type.rimsART-
dc.citation.volume193-
dc.citation.issue2-
dc.citation.beginningpage593-
dc.citation.endingpage597-
dc.citation.publicationnameJOURNAL OF POWER SOURCES-
dc.identifier.doi10.1016/j.jpowsour.2009.04.025-
dc.contributor.localauthorKim, Ho Gi-
dc.contributor.nonIdAuthorYoo, Jin Seong-
dc.contributor.nonIdAuthorLee, Shiwoo-
dc.contributor.nonIdAuthorYu, Ji Haeng-
dc.contributor.nonIdAuthorWoo, Sang Kuk-
dc.contributor.nonIdAuthorPark, Hun-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorLSGM-
dc.subject.keywordAuthorSolid oxide fuel cells-
dc.subject.keywordAuthorSolid electrolyte-
dc.subject.keywordAuthorTransition metal-
dc.subject.keywordAuthorIonic conductivity-
dc.subject.keywordAuthorNeutron diffraction-
dc.subject.keywordPlusOXIDE-ION CONDUCTIVITY-
dc.subject.keywordPlusDOPED LANTHANUM GALLATE-
dc.subject.keywordPlusPEROVSKITE-TYPE OXIDE-
dc.subject.keywordPlusFUEL-CELLS-
dc.subject.keywordPlusINTERMEDIATE TEMPERATURE-
dc.subject.keywordPlusPOWER-DENSITY-
dc.subject.keywordPlusLAGAO3-
dc.subject.keywordPlusCO-
dc.subject.keywordPlusLA0.8SR0.2GA0.8MG0.2O3-
dc.subject.keywordPlusELECTROLYTE-
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