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dc.contributor.authorSotelo, A.es_ES
dc.contributor.authorRasekh, Sh.es_ES
dc.contributor.authorTorres, M. A.es_ES
dc.contributor.authorBosque, P.es_ES
dc.contributor.authorMadre, M. A.es_ES
dc.contributor.authorDiez, J. C.es_ES
dc.date.accessioned2015-08-21T11:11:01Z-
dc.date.available2015-08-21T11:11:01Z-
dc.date.issued2015-01-
dc.identifier.citationJournal of Solid State Chemistry 221: 247-254 (2015)es_ES
dc.identifier.issn0022-4596-
dc.identifier.urihttp://hdl.handle.net/10261/121337-
dc.description.abstractThree different synthesis methods producing nanometric grain sizes, coprecipitation with ammonium carbonate, oxalic acid, and by attrition milling have been studied to produce Ca3Co4O9 ceramics and compared with the classical solid state route. These three processes have produced high reactive precursors and all the organic material and CaCO3·have been decomposed in a single thermal treatment. Coprecipitation leads to pure Ca3Co4O9 phase, while attrition milling and classical solid state produce small amounts of Ca3Co2O6 secondary phase. Power factor values are similar for all three samples, being slightly lower for the ones produced by attrition milling. These values are much higher than the obtained in samples prepared by the classical solid state method, used as reference. The maximum power factor values determined at 800 °C (~0.43 mW/K2 m) are slightly higher than the best reported values obtained in textured ones which also show much higher density values.es_ES
dc.description.sponsorshipThe authors wish to thank the Gobierno de Aragón (Grupos de Investigacion Consolidados T12 and T87) and MINECO-FEDER (MAT2013-46505-C3-1-R) for financial support. Authors would like to acknowledge the use of Servicio General de Apoyo a la Investigación-SAI, Universidad de Zaragoza. Sh. Rasekh acknowledges a JAEPreDoc2010 grant from the CSIC.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relationMINECO/ICTI2013-2016/MAT2013-46505-C3-1-R-
dc.relation.isversionofPreprint-
dc.rightsopenAccesses_ES
dc.subjectCeramicses_ES
dc.subjectSynthesises_ES
dc.subjectElectric propertieses_ES
dc.subjectMicrostructurees_ES
dc.subjectPower factores_ES
dc.titleEffect of synthesis methods on the Ca3Co4O9 thermoelectric ceramic performanceses_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/j.jssc.2014.10.015-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.jssc.2014.10.015es_ES
dc.contributor.funderGobierno de Aragónes_ES
dc.contributor.funderMinisterio de Economía y Competitividad (España)es_ES
dc.contributor.funderUniversidad de Zaragozaes_ES
dc.contributor.funderConsejo Superior de Investigaciones Científicas (España)es_ES
dc.relation.csices_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100007041es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003339es_ES
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