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Scaling of the entropy change at the magnetoelastic transition in Gd5(SixGe1-x)4

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dc.contributor.authorCasanova i Fernàndez, Fèlixcat
dc.contributor.authorBatlle Gelabert, Xaviercat
dc.contributor.authorLabarta, Amílcarcat
dc.contributor.authorMarcos, Jordicat
dc.contributor.authorMañosa, Lluíscat
dc.contributor.authorPlanes Vila, Antonicat
dc.date.accessioned2009-12-28T07:52:44Z
dc.date.available2009-12-28T07:52:44Z
dc.date.issued2002cat
dc.description.abstractDifferential scanning calorimetry under a magnetic field H has been used to measure the entropy change DS at the magnetoelastic transition in Gd5(SixGe12x)4 alloys, for x<0.5. We show that DS scales with the transition temperature, Tt , which is tuned by x and H, from 70 to 310 K. Such a scaling demonstrates that Tt is the relevant parameter in determining the giant magnetocaloric effect in these alloys, and proves that the magnetovolume effects due to H are of the same nature as the volume effects caused by substitution
dc.format.extent4 p.cat
dc.format.mimetypeapplication/pdfeng
dc.identifier.idgrec504143cat
dc.identifier.issn0163-1829cat
dc.identifier.urihttps://hdl.handle.net/2445/10524
dc.language.isoengeng
dc.publisherThe American Physical Societyeng
dc.relation.isformatofReproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevB.66.212402cat
dc.relation.ispartofPhysical Review B, 2002, vol. 66, núm. 21, p. 212402(1)-212402(4)eng
dc.relation.urihttp://dx.doi.org/10.1103/PhysRevB.66.212402
dc.rights(c) The American Physical Society, 2002
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.sourceArticles publicats en revistes (Física Quàntica i Astrofísica)
dc.subject.classificationEntropiacat
dc.subject.classificationMagnetostricciócat
dc.subject.classificationMaterials ferromagnèticscat
dc.subject.classificationAliatgescat
dc.subject.otherEntropyeng
dc.subject.otherMagnetostrictioneng
dc.subject.otherFerromagnetic materialseng
dc.subject.otherAlloyseng
dc.titleScaling of the entropy change at the magnetoelastic transition in Gd5(SixGe1-x)4eng
dc.typeinfo:eu-repo/semantics/articleeng
dc.typeinfo:eu-repo/semantics/publishedVersion

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