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On phonon-wind-driven spin injection and the conductivity mismatch problem

  • Nanostructures and Low-Dimensional Systems
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Abstract

Spin injection from a ferromagnetic metal into a semiconductor driven by a constant phonon flow is considered. It is shown that diffusive (as opposed to electrical) spin injection gives rise to a highly spin-polarized current through the semiconductor. In other words, phonon-wind-driven injection under certain conditions eliminates the conductivity mismatch responsible for reduced spin polarization of the electric current injected from a ferromagnetic metal into a semiconductor.

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Authors and Affiliations

  1. Verkin Institute for Low-Temperature Physics and Engineering, Kharkov, 61103, Ukraine

    R. N. Gurzhi, A. N. Kalinenko, A. I. Kopeliovich & A. V. Yanovsky

Authors
  1. R. N. Gurzhi
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  2. A. N. Kalinenko
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  3. A. I. Kopeliovich
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  4. A. V. Yanovsky
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Additional information

Original Russian Text © R.N. Gurzhi, A.N. Kalinenko, A.I. Kopeliovich, A.V. Yanovsky, 2007, published in Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2007, Vol. 132, No. 1, pp. 171–174.

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Gurzhi, R.N., Kalinenko, A.N., Kopeliovich, A.I. et al. On phonon-wind-driven spin injection and the conductivity mismatch problem. J. Exp. Theor. Phys. 105, 149–151 (2007). https://doi.org/10.1134/S1063776107070321

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  • DOI: https://doi.org/10.1134/S1063776107070321

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