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Premartensitic transition driven by magnetoelastic interaction in bcc ferromagnetic Ni2MnGa

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dc.contributor.authorPlanes Vila, Antonicat
dc.contributor.authorObradó Llauradó, Eduardcat
dc.contributor.authorGonzàlez Comas, Alfonscat
dc.contributor.authorMañosa, Lluíscat
dc.date.accessioned2010-06-08T10:02:51Z-
dc.date.available2010-06-08T10:02:51Z-
dc.date.issued1997-
dc.description.abstractWe show that the magnetoelastic coupling between the magnetization and the amplitude of a short wavelength phonon enables the existence of a first order premartensitic transition from a bcc to a micromodulated phase in Ni2MnGa. Such a magnetoelastic coupling has been experimentally evidenced by ac susceptibility and ultrasonic measurements under an applied magnetic field. A latent heat around 9 J/mol has been measured using a highly sensitive calorimeter. This value is in very good agreement with the value predicted by a proposed model.eng
dc.format.extent4 p.-
dc.format.mimetypeapplication/pdf-
dc.identifier.idgrec147480-
dc.identifier.issn0031-9007-
dc.identifier.urihttps://hdl.handle.net/2445/12793-
dc.language.isoengeng
dc.publisherAmerican Physical Societyeng
dc.relation.isformatofReproducció digital del document publicat en format paper, proporcionada per APS i http://dx.doi.org/10.1103/PhysRevLett.79.3926cat
dc.relation.ispartofPhysical Review Letters, 1997, vol. 79, núm. 20, p. 3926-3929cat
dc.relation.urihttp://dx.doi.org/10.1103/PhysRevLett.79.3926
dc.rights(c) American Physical Society, 1997
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.sourceArticles publicats en revistes (Física Quàntica i Astrofísica)
dc.subject.classificationEquacions d'estatcat
dc.subject.classificationCiència dels materialscat
dc.subject.classificationRegla de les fases i equilibricat
dc.subject.otherEquations of stateeng
dc.subject.otherMaterials scienceeng
dc.subject.otherPhase rule and equilibriumeng
dc.titlePremartensitic transition driven by magnetoelastic interaction in bcc ferromagnetic Ni2MnGaeng
dc.typeinfo:eu-repo/semantics/articleeng
dc.typeinfo:eu-repo/semantics/publishedVersion

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