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20 April 2024 |
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Article overview
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Tunneling Anisotropic Magnetoresistance: A spin-valve like tunnel magnetoresistance using a single magnetic layer | C. Gould
; C. Rüster
; T. Jungwirth
; E. Girgis
; G. M. Schott
; R. Giraud
; K. Brunner
; G. Schmidt
; L.W. Molenkamp
; | Date: |
28 Jul 2004 | Subject: | Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall | Affiliation: | 2,3,4), E. Girgis , G. M. Schott , R. Giraud , K. Brunner , G. Schmidt , and L.W. Molenkamp ( Universität Würzburg, Germany, Institut of Physics of Czech Republic, University of Nottingham, UK, University of Texas | Abstract: | We introduce a new class of spintronics devices in which a spin-valve like effect results from strong spin-orbit coupling in a single ferromagnetic layer rather than from injection and detection of a spin-polarized current by two coupled ferromagnets. The effect is observed in a normal-metal/insulator/ferromagnetic-semiconductor tunneling device. This behavior is caused by the interplay of the anisotropic density of states in (Ga,Mn)As with respect to the magnetization direction, and the two-step magnetization reversal process in this material. | Source: | arXiv, cond-mat/0407735 | Services: | Forum | Review | PDF | Favorites |
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