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Orbital effects of tunneling anisotropic magnetoresistance in Fe/GaAs/Au junctions

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Wimmer, Michael ; Lobenhofer, M. ; Moser, Jürgen ; Matos-Abiague, Alex ; Schuh, Dieter ; Wegscheider, Werner ; Fabian, Jaroslav ; Richter, Klaus ; Weiss, Dieter
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arXiv PDF (20.04.2009)
Date of publication of this fulltext: 06 Aug 2009 12:01


We report experiments on epitaxially grown Fe/GaAs/Au tunnel junctions demonstrating that the tunneling anisotropic magnetoresistance (TAMR) effect can be controlled by a magnetic field. Theoretical modelling shows that the interplay of the orbital effects of a magnetic field and the Dresselhaus spin-orbit coupling in the GaAs barrier leads to an independent contribution to the TAMR effect with ...


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