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Spin accumulation with spin-orbit interaction
Henri Saarikoski, Gerrit E. W. Bauer
Spin accumulation is a crucial but imprecise concept in spintronics. In metal-based spintronics it is characterized in terms of semiclassical distribution functions. In semiconduct…
Scattering Theory of Gilbert Damping
Arne Brataas, Yaroslav Tserkovnyak, Gerrit E. W. Bauer
The magnetization dynamics of a single domain ferromagnet in contact with a thermal bath is studied by scattering theory. We recover the Landau-Liftshitz-Gilbert equation and expre…
Spin-transfer torque in magnetic tunnel junctions: Scattering theory
Jiang Xiao, Gerrit E. W. Bauer, Arne Brataas
We study the bias-dependent spin-transfer torque in magnetic tunnel junctions in the Stoner model by scattering theory. We show that the in-plane (Slonczewski type) torque vanishes…
Controlled aggregation of magnetic ions in a semiconductor. Experimental demonstration
A. Bonanni, A. Navarro-Quezada, Tian Li +8
The control on the distribution of magnetic ions into a semiconducting host is crucial for the functionality of magnetically doped semiconductors. Through a structural analysis at…
Current-induced noise and damping in non-uniform ferromagnets
Jorn Foros, Arne Brataas, Yaroslav Tserkovnyak +1
In the presence of spatial variation of the magnetization direction, electric current noise causes a fluctuating spin-transfer torque that increases the fluctuations of the ferroma…
Charge pumping in magnetic tunnel junctions: Scattering theory
Jiang Xiao, Gerrit E. W. Bauer, Arne Brataas
We study theoretically the charge transport pumped by magnetization dynamics through epitaxial FIF and FNIF magnetic tunnel junctions (F: Ferromagnet, I: Insulator, N: Normal metal…