Controlling spin in an electronic interferometer with spin-active interfaces
| Publikationstyp: | Zeitschriftenartikel |
| URI (zitierfähiger Link): | http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-32865 |
| Autor/innen: | Cottet, Audrey; Kontos, Takis; Belzig, Wolfgang; Schönenberger, Christian; Bruder, Christoph |
| Erscheinungsjahr: | 2006 |
| Erschienen in: | Europhysics Letters ; 74 (2006), 25. - S. 320-326 |
| DOI (zitierfähiger Link): | https://dx.doi.org/10.1209/epl/i2006-10006-0 |
| Zusammenfassung: |
We consider electronic current transport through a ballistic one-dimensional quantum wire connected to two ferromagnetic leads. We study the effects of the spin-dependence of interfacial phase shifts (SDIPS) acquired by electrons upon scattering at the boundaries of the wire. The SDIPS produces a spin-splitting of the wire resonant energies which is tunable with the gate voltage and the angle between the ferromagnetic polarizations. This property could be used for manipulating spins. In particular, it leads to a giant magnetoresistance effect with a sign tunable with the gate voltage and the magnetic field applied to the wire.
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| PACS-Klassifikation: | 85.75.-d; 75.75.+a; 73.23.-b |
| Fachgebiet (DDC): | 530 Physik |
| Link zur Lizenz: | Nutzungsbedingungen |
| Universitätsbibliographie: | Ja |
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COTTET, Audrey, Takis KONTOS, Wolfgang BELZIG, Christian SCHÖNENBERGER, Christoph BRUDER, 2006. Controlling spin in an electronic interferometer with spin-active interfaces. In: Europhysics Letters. 74(25), pp. 320-326. Available under: doi: 10.1209/epl/i2006-10006-0
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