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Noncollinear single-electron spin-valve transistors

DOI to cite this document:
Wetzels, Wouter ; Bauer, Gerrit E. W. ; Grifoni, Milena
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Date of publication of this fulltext: 18 Sep 2009 08:39


We study interaction effects on transport through a small metallic cluster connected to two ferromagnetic leads (a single-electron spin-valve transistor) in the “orthodox model” for the Coulomb blockade. The nonlocal exchange between the spin accumulation on the island and the ferromagnetic leads is shown to affect the transport properties such as the electric current and spin-transfer torque as a function of the magnetic configuration, gate voltage, and applied magnetic field.

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