Complex impedance of a spin injecting junction

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Complex impedance of a spin injecting junction

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Title: Complex impedance of a spin injecting junction
Author: Rashba, Emmanuel
Citation: Rashba, Emmanuel I. 2002. “Complex Impedance of a Spin Injecting Junction.” Applied Physics Letters 80 (13): 2329. doi:10.1063/1.1465527.
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Abstract: Theory of the ac spin injection from a ferromagneticelectrode into a normal conductor through a tunnel or Schottky contact is developed. Diffusion and relaxation of nonequilibrium spins results in a frequency-dependent complex impedance Z(ω)Z(ω) controlled by the spin relaxation rates and the resistances involved. Explicit expression for Z(ω)Z(ω) is presented. Experimental investigation of the frequency dependence of Z should allow measuringspin relaxation times in both conductors, their effective resistances, and also the parameters of the contact controlling the spin injection.
Published Version: doi:10.1063/1.1465527
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