Anelastic spectroscopy in SmBa2Cu3O7

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dc.contributor.authorGrandini, Carlos Roberto [UNESP]
dc.contributor.authorGimenez, JMD
dc.contributor.authorda Cunha, A. G.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Federal do Espírito Santo (UFES)
dc.date.accessioned2014-05-20T13:26:09Z
dc.date.available2014-05-20T13:26:09Z
dc.date.issued2004-08-01
dc.description.abstractThe possibility of variable stoichiometry and the high mobility of oxygen in the CuOx planes of SmBa2Cu3O7 give rise to a rich phase diagram. Measurements of the elastic energy loss and modulus (anelastic spectroscopy) as a function of temperature can distinguish among the different atomic jumps, which occur in the various phases or at different local ordering. In this paper, it is reported anelastic relaxation measurements in SmBa2Cu3O7, above room temperature, using a torsion pendulum operating in frequencies around 40 Hz. The mobility of oxygen atoms in the CuOx planes in the various phases has been discussed and the thermally activated peak of elastic energy dissipation observed around 500 K was interpreted in that framework. (C) 2004 Elsevier B.V. All rights reserved.en
dc.description.affiliationUniv Estadual Paulista, Dept Phys, Grp Relaxacoes Anelasticas, BR-17033360 Bauru, SP, Brazil
dc.description.affiliationUniv São Paulo, Inst Fis Sao Carlos, BR-13560970 Sao Carlos, SP, Brazil
dc.description.affiliationUniv Fed Espirito Santo, Dept Fis, BR-29060900 Vitoria, ES, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Phys, Grp Relaxacoes Anelasticas, BR-17033360 Bauru, SP, Brazil
dc.format.extent741-742
dc.identifierhttp://dx.doi.org/10.1016/j.physc.2004.03.197
dc.identifier.citationPhysica C-superconductivity and Its Applications. Amsterdam: Elsevier B.V., v. 408, p. 741-742, 2004.
dc.identifier.doi10.1016/j.physc.2004.03.197
dc.identifier.issn0921-4534
dc.identifier.lattes2949983867418338
dc.identifier.orcid0000-0002-3336-309X
dc.identifier.urihttp://hdl.handle.net/11449/8393
dc.identifier.wosWOS:000224051700315
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofPhysica C: Superconductivity and its Applications
dc.relation.ispartofjcr1.453
dc.relation.ispartofsjr0,492
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectSmBaCuOpt
dc.subjectanelastic spectroscopypt
dc.subjectoxygen mobilitypt
dc.subjectcupratespt
dc.titleAnelastic spectroscopy in SmBa2Cu3O7en
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.author.lattes2949983867418338[1]
unesp.author.orcid0000-0002-3336-309X[1]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências, Baurupt
unesp.departmentFísica - FCpt

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