Calculations of giant magnetoresistance in Fe/Cr trilayers using layer potentials determined from {\it ab-initio} methods

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dc.creatorPereiro, M.
dc.creatorBaldomir, D.
dc.creatorMan'kovsky, S. V.
dc.creatorWarda, K.
dc.creatorArias, J. E.
dc.creatorWojtczak, L.
dc.creatorBotana, J.
dc.date2007-01-26
dc.date.accessioned2026-07-07T07:48:24Z
dc.date.available2026-07-07T07:48:24Z
dc.descriptionThe ab initio full-potential linearized augmented plane-wave method explicitly designed for the slab geometry was employed to elucidate the physical origin of the layer potentials for the trilayers nFe/3Cr/nFe(001), where n is the number of Fe monolayers. The thickness of the transition-metal ferromagnet has been ranged from $n=1$ up to n=8 while the spacer thickness was fixed to 3 monolayers. The calculated potentials were inserted in the Fuchs-Sondheimer formalism in order to calculate the giant magnetoresistance (GMR) ratio. The predicted GMR ratio was compared with the experiment and the oscillatory behavior of the GMR as a function of the ferromagnetic layer thickness was discussed in the context of the layer potentials. The reported results confirm that the interface monolayers play a dominant role in the intrinsic GMR.
dc.description17 pages, 7 figures, 3 tables. accepted in J. Phys.: Cond. Matter
dc.identifierhttps://arxiv.org/abs/cond-mat/0701652
dc.identifierhttp://arxiv.org/abs/cond-mat/0701652
dc.identifierJ. Phys.: Condens. Matter 19 (2007) 106210
dc.identifierdoi:10.1088/0953-8984/19/10/106210
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/124486
dc.subjectMaterials Science
dc.subjectOther Condensed Matter
dc.titleCalculations of giant magnetoresistance in Fe/Cr trilayers using layer potentials determined from {\it ab-initio} methods
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