Fabrication and thermoelectric characteristics of [(Bi,Pb)[sub 2]Ba[sub 2]O[sub 4±w]][sub 0.5]CoO[sub 2] bulks with highly aligned grain structure

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dc.contributorAalto-yliopistofi
dc.contributorAalto Universityen
dc.contributor.authorMotohashi, T.
dc.contributor.authorNonaka, Y.
dc.contributor.authorSakai, K.
dc.contributor.authorKarppinen, Maarit
dc.contributor.authorYamauchi, H.
dc.contributor.departmentKemian laitosfi
dc.contributor.departmentDepartment of Chemistryen
dc.contributor.schoolKemian tekniikan korkeakoulufi
dc.contributor.schoolSchool of Chemical Technologyen
dc.date.accessioned2015-10-13T09:01:49Z
dc.date.available2015-10-13T09:01:49Z
dc.date.issued2008
dc.description.abstractHere, we report fabrication and thermoelectric characteristics of polycrystalline bulks with aligned grains of the misfit-layered cobalt oxides, [(Bi1−xPbx)2Ba2O4±w]0.5CoO2. High-quality precursor powder was prepared with a spray-drying technique. The precursor was then sintered under a uniaxial pressure to yield dense bulk samples consisting of highly aligned grains. The electrical conductivity of such samples was four times higher than that of conventionally sintered bulks. Accordingly, the thermoelectric characteristics of the grain-aligned specimens were enhanced.en
dc.description.versionPeer revieweden
dc.format.extent033705/1-6
dc.format.mimetypeapplication/pdfen
dc.identifier.citationMotohashi, T. & Nonaka, Y. & Sakai, K. & Karppinen, Maarit & Yamauchi, H. 2008. Fabrication and thermoelectric characteristics of [(Bi,Pb)[sub 2]Ba[sub 2]O[sub 4±w]][sub 0.5]CoO[sub 2] bulks with highly aligned grain structure. Journal of Applied Physics. Volume 103, Issue 3. 033705/1-6. ISSN 0021-8979 (printed). DOI: 10.1063/1.2838161.en
dc.identifier.doi10.1063/1.2838161
dc.identifier.issn0021-8979 (printed)
dc.identifier.urihttps://aaltodoc.aalto.fi/handle/123456789/18014
dc.identifier.urnURN:NBN:fi:aalto-201510134602
dc.language.isoenen
dc.publisherAIP Publishingen
dc.relation.ispartofseriesJournal of Applied Physicsen
dc.relation.ispartofseriesVolume 103, Issue 3
dc.rights© 2008 AIP Publishing. This is the accepted version of the following article: Motohashi, T. & Nonaka, Y. & Sakai, K. & Karppinen, Maarit & Yamauchi, H. 2008. Fabrication and thermoelectric characteristics of [(Bi,Pb)[sub 2]Ba[sub 2]O[sub 4±w]][sub 0.5]CoO[sub 2] bulks with highly aligned grain structure. Journal of Applied Physics. Volume 103, Issue 3. 033705/1-6. ISSN 0021-8979 (printed). DOI: 10.1063/1.2838161, which has been published in final form at http://scitation.aip.org/content/aip/journal/jap/103/3/10.1063/1.2838161.en
dc.rights.holderAIP Publishing
dc.subject.keywordpowdersen
dc.subject.keywordleaden
dc.subject.keywordsinteringen
dc.subject.keywordcobalt oxidesen
dc.subject.keywordelectrical resistivityen
dc.subject.keywordthermoelectric characteristicsen
dc.subject.otherChemistryen
dc.subject.otherPhysicsen
dc.titleFabrication and thermoelectric characteristics of [(Bi,Pb)[sub 2]Ba[sub 2]O[sub 4±w]][sub 0.5]CoO[sub 2] bulks with highly aligned grain structureen
dc.typeA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessäfi
dc.type.dcmitypetexten
dc.type.versionFinal published versionen
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