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Magnetization self-oscillations induced by spin-polarized currents

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6 Author(s)
Bertotti, G. ; Ist. Elettrotecnico Nazionale Galileo Ferraris, Torino, Italy ; Serpico, C. ; Mayergoyz, I.D. ; Bonin, R.
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The effect of a spin-polarized current on magnetization dynamics is described by the Landau-Lifshitz-Gilbert (LLG) equation with the addition of Slonczewski spin-transfer term. Detailed predictions about the existence, position, and stability of magnetization self-oscillations induced by the spin-polarized current are obtained by an analytical perturbative method for different levels of current injection and externally applied field. The two cases of opposite direction of current flow are discussed.

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Magnetics, IEEE Transactions on  (Volume:41 ,  Issue: 10 )