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dc.contributor.authorRuiz-Gómez, Sandraes_ES
dc.contributor.authorMuñoz Sánchez, Manueles_ES
dc.contributor.authorGuerrero, Rubénes_ES
dc.contributor.authorFoerster, Michaeles_ES
dc.contributor.authorAballe, Lucíaes_ES
dc.contributor.authorAmado, Marioes_ES
dc.contributor.authorRobinson, J. W. A.es_ES
dc.contributor.authorMascaraque, Arantzazues_ES
dc.contributor.authorPérez, Lucases_ES
dc.date.accessioned2019-05-23T07:57:34Z-
dc.date.available2019-05-23T07:57:34Z-
dc.date.issued2018-09-03-
dc.identifier.citationJEMS (2018)es_ES
dc.identifier.urihttp://hdl.handle.net/10261/182112-
dc.descriptionTrabajo presentado en la 9th Joint European Magnetic Symposia Conference, celebrada en Mainz (Alemania) del 3 al 7 de septiembre de 2018es_ES
dc.description.abstractIn the field of spintronics, the Spin Hall Effect provides an efficient tool for the conversion of a charge current into a spin current without the need of ferromagnets [1]. Recently, a Spin Hall Angle of 0.25 has been measured in Cu doped with 0.25% Bi [2] and larger values of are expected for larger Bi doping according to theoretical calculations [3]. In this work we incorporate up to 10% of Bi atoms into the Cu structure without evidence of Bi surface segregation of cluster formation, as studied by several microscopic and spectroscopic techniques. We investigate the spin pumping effect in a series of yttrium-iron-garnet (YIG)–Cu(Bi) bilayers by the measurement of broadband ferromagnetic resonance (FMR). We determine the effective spin-mixing conductance as a function of Bi concentration by comparing the FMR response of pure YIG layers and Cu(Bi)/YIG bilayers in a frequency range from 2-10 GHz. With a Cu(Bi) layer on top of the YIG the Hilbert damping is significantly enhanced (up to 40%). The effective spin-mixing conductance extracted from the ferromagnetic resonance experiments increase with the Bi concentrations up to a value of Geff = 7.3x1018 m2 . [1] J. Sinova et al. Rev. Mod. Phys. 87, 1213 (2015) [2] Y. Niimi et al. Phys. Rev. Lett. 109, 156606 (2012) [3] B. Gu, et al. J. Appl. Phys. 117, 17D503, (2015).es_ES
dc.language.isoenges_ES
dc.rightsclosedAccesses_ES
dc.titleLarge spin-mixing conductance in Bi-doped Cu/YIG interfaceses_ES
dc.typecomunicación de congresoes_ES
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
Appears in Collections:(IMN-CNM) Comunicaciones congresos
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