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Stress-induced large Curie temperature enhancement in Fe_(64)Ni_(36) Invar alloy

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dc.contributor.authorHernando Grande, Antonio
dc.date.accessioned2023-06-20T00:32:44Z
dc.date.available2023-06-20T00:32:44Z
dc.date.issued2009-08
dc.description©2009 The American Physical Society. We thank ISIS, Lujan Neutron Scattering Center at LANSCE, APS and ESRF for the allocation of neutron and synchrotron beam time, and the SCT at the University of Oviedo for the high-resolution XRD facility. This work was partially supported by FEDER and the Spanish MICINN (Grant No. MAT2008-06542-C04). M.A.L-M acknowledges MICINN for Postdoctoral grant. Work at Argonne & Los Alamos National Laboratories was supported by the U.S. Department of Energy, Office of Science, under Contracts No. DE-AC02- 06CH11357 and No. DE-AC52-06NA25396, respectively. Articulo firmado por más de diez autores.
dc.description.abstractWe have succeeded in increasing up to 150 K the Curie temperature in the Fe_(64)Ni_(36) invar alloy by means of a severe mechanical treatment followed by a heating up to 1073 K. The invar behavior is still present as revealed by the combination of magnetic measurements with neutron and x-ray techniques under extreme conditions, such as high temperature and high pressure. The proposed explanation is based in a selective induced microstrain around the Fe atoms, which causes a slight increase in the Fe-Fe interatomic distances, thus reinforcing ferromagnetic interactions due to the strong magnetoelastic coupling in these invar compounds.
dc.description.departmentDepto. de Física de Materiales
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Ciencia e Innovación (MICINN)
dc.description.sponsorshipU. S. Department of Energy, Office of Science
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/44089
dc.identifier.doi10.1103/PhysRevB.80.064421
dc.identifier.issn1098-0121
dc.identifier.officialurlhttp://dx.doi.org/10.1103/PhysRevB.80.064421
dc.identifier.relatedurlhttps://journals.aps.org
dc.identifier.urihttps://hdl.handle.net/20.500.14352/42715
dc.issue.number6
dc.journal.titlePhysical review B
dc.language.isoeng
dc.publisherAmerican Physical Society
dc.relation.projectIDMAT2008-06542-C04
dc.relation.projectIDDE-AC02-06CH11357
dc.relation.projectIDDE-AC52-06NA25396
dc.rights.accessRightsopen access
dc.subject.cdu538.9
dc.subject.keywordFe-Ni alloys
dc.subject.keywordMagnetic-properties
dc.subject.keywordSolid-solutions
dc.subject.keywordNickel alloys
dc.subject.keywordPressure
dc.subject.keywordIron
dc.subject.keywordTransformation
dc.subject.keywordTransition
dc.subject.keywordDependence
dc.subject.keywordExpansion
dc.subject.ucmFísica de materiales
dc.subject.ucmFísica del estado sólido
dc.subject.unesco2211 Física del Estado Sólido
dc.titleStress-induced large Curie temperature enhancement in Fe_(64)Ni_(36) Invar alloy
dc.typejournal article
dc.volume.number80
dspace.entity.typePublication
relation.isAuthorOfPublication930014e1-7363-41d3-b971-b824e05f84b2
relation.isAuthorOfPublication.latestForDiscovery930014e1-7363-41d3-b971-b824e05f84b2

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