Spin-disorder and spin-valve magnetoresistance in granular alloys

Spin-disorder and spin-valve magnetoresistance in granular alloys

Two main contributions to the giant magnetoresistance (MR) in granular alloys have been identified: Spin-valve MR (as in magnetic multilayers) and spin-disorder MR (as in bulk ferromagents close to their Curie temperature or as in spin-glasses). Both are due to spatial inhomogeneities in the magneti...

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Veröffentlicht in:Journal of magnetism and magnetic materials 1994-08, Vol.140-144, p.507-508
Hauptverfasser: Pierre, J, Redon, O, Chamberod, A, Cowache, C, Dieny, B, Rodmacq, B, Teixeira, S
Format: Artikel
Sprache:eng
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Zusammenfassung:Two main contributions to the giant magnetoresistance (MR) in granular alloys have been identified: Spin-valve MR (as in magnetic multilayers) and spin-disorder MR (as in bulk ferromagents close to their Curie temperature or as in spin-glasses). Both are due to spatial inhomogeneities in the magnetization but on different scales. They have different thermal variations.
ISSN:0304-8853