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Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/44542
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dc.contributor.authorCarbonera, Chiara-
dc.contributor.authorLuis, Fernando-
dc.contributor.authorSánchez-Marcos, J.-
dc.contributor.authorCamón, Agustín-
dc.contributor.authorChaboy, Jesús-
dc.contributor.authorRuiz Molina, Daniel-
dc.contributor.authorImaz, Inhar-
dc.date.accessioned2012-01-20T13:49:55Z-
dc.date.available2012-01-20T13:49:55Z-
dc.date.issued2010-
dc.identifier.citationPhysical Review B 81(1): 014427 (2010)es_ES
dc.identifier.issn1098-0121-
dc.identifier.urihttp://hdl.handle.net/10261/44542-
dc.description10 páginas, 9 figuras, 1 tabla.-- PACS number(s): 75.45.+j, 75.50.Xx, 75.60.Jk, 75.50.Kj.-- et al.es_ES
dc.description.abstractWe report a detailed study of the effects that crystalline disorder has on the magnetic relaxation and quantum tunneling of Mn12 benzoate clusters. Thanks to the absence of interstitial molecules in the crystal structure of this molecular compound, we have been able to isolate the influence of long-range crystalline disorder. For this, we compare results obtained under two extreme situations: a crystalline sample and a nearly amorphous material. The results show that crystalline disorder affects little the anisotropy, magnetic relaxation, and quantum tunneling of these materials. It follows that disorder is not a necessary ingredient for the existence of magnetic quantum tunneling. The results unveil, however, a subtle influence of crystallinity via the modification of the symmetry of dipole-dipole interactions. The faster tunneling rates measured for the amorphous material are accounted for by a narrower distribution of dipolar bias in this material, as compared with the crystalline sample.es_ES
dc.description.sponsorshipThis work has been partly funded by Grants No. MAT2009-13977-C03, No. MAT2008-06542- C04, and No. CSD2007-00010 from the Spanish Ministerio de Ciencia e Innovación, and NABISUP from DGA. We acknowledge funding from Acción Integrada under Grant No. HA2006-0051 and the Network of Excellence MAGMANet. J.v.S and S.D. acknowledge the financial support of the Deutsche Forschungsgemeinschaft (DFG) and the DAAD. Ch.C. and I.I. acknowledge the Spanish Ministerio de Ciencia e Innovación.es_ES
dc.language.isoenges_ES
dc.publisherAmerican Physical Societyes_ES
dc.rightsopenAccesses_ES
dc.titleEffect of crystalline disorder on quantum tunneling in the single-molecule magnet Mn12 benzoatees_ES
dc.typeartículoes_ES
dc.identifier.doi10.1103/PhysRevB.81.014427-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1103/PhysRevB.81.014427es_ES
dc.identifier.e-issn1550-235X-
dc.contributor.funderMinisterio de Ciencia e Innovación (España)-
dc.contributor.funderDiputación General de Aragón-
dc.contributor.funderMinisterio de Ciencia e Innovación (España)-
dc.contributor.funderGerman Research Foundation-
dc.contributor.funderGerman Academic Exchange Service-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100004837es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100001655es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100001659es_ES
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairetypeartículo-
item.grantfulltextopen-
item.cerifentitytypePublications-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
item.languageiso639-1en-
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