Synthesis and Characterization of Ruteno-Cuprates by Solid State Reactions

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dc.contributor.authorGimenez, J. M. A. [UNESP]
dc.contributor.authorGrandini, Carlos Roberto [UNESP]
dc.contributor.authorJurelo, A. R.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:26:13Z
dc.date.available2014-05-20T13:26:13Z
dc.date.issued2008-01-01
dc.description.abstractA new class of hybrid ruteno-cuprates - such as Ru-1212 and Ru-1222 - was discovered in 1995 by Bauerfeind and collaborators. These materials present superconducting and magnetic states at low temperatures, an atypical duality in other superconductors. The superconductivity is more easily observed in Ru-1222, while Ru-1212 is a more problematic case, due to the strong effects of the preparation details in its superconducting properties, becoming the material superconductor or not. Ru-1212 presents a critical temperature that can vary between 0 and 46 K, depending on the preparation conditions, and a temperature of magnetic transition of around 132 K. The samples were prepared through solid state reactions, by using a mixture of high purity powders, followed by calcination and sinterization in the nitrogen and oxygen atmospheres. This paper shows the preparation process of Ru-1212 samples, followed by their structural and magnetic characterization.en
dc.description.affiliationUNESP, Grp Relaxacoes Anelast, BR-17033360 Bauru, SP, Brazil
dc.description.affiliationUnespUNESP, Grp Relaxacoes Anelast, BR-17033360 Bauru, SP, Brazil
dc.format.extent644-648
dc.identifierhttp://dx.doi.org/10.4028/www.scientific.net/MSF.591-593.644
dc.identifier.citationAdvanced Powder Technology Vi. Stafa-zurich: Trans Tech Publications Ltd, v. 591-593, p. 644-648, 2008.
dc.identifier.doi10.4028/www.scientific.net/MSF.591-593.644
dc.identifier.issn0255-5476
dc.identifier.lattes2949983867418338
dc.identifier.orcid0000-0002-3336-309X
dc.identifier.urihttp://hdl.handle.net/11449/8421
dc.identifier.wosWOS:000262481100110
dc.language.isoeng
dc.publisherTrans Tech Publications Ltd
dc.relation.ispartofAdvanced Powder Technology Vi
dc.relation.ispartofsjr0,180
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectSuperconductivityen
dc.subjectRu-1212en
dc.subjectSolid State Reactionsen
dc.titleSynthesis and Characterization of Ruteno-Cuprates by Solid State Reactionsen
dc.typeTrabalho apresentado em evento
dcterms.rightsHolderTrans Tech Publications Ltd
unesp.author.lattes2949983867418338[2]
unesp.author.orcid0000-0002-3336-309X[2]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências, Baurupt
unesp.departmentFísica - FCpt

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