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Efficiency of injection of charge carriers with a definite spin into a ferromagnet

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Abstract

The efficiency of injection of charge carriers with a definite spin into a ferromagnetic material in the ferromagnet/nonmagnetic metal/ferromagnet three-layer structure is analyzed taking into account the contribution from the nonmagnetic layer. It is shown that in the Co/Cu/Fe structure, the efficiency of spin injection is several times higher than in the Co/Cu/Co symmetric structure. Optimal conditions of injection of charge carriers with a definite spin depending on the parameters of used material are established.

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Authors and Affiliations

  1. Belarusian State University of Informatics and Radio Electronics, ul. P. Brovki 6, Minsk, 220013, Belarus

    A. V. Kukharev, A. L. Danilyuk & V. E. Borisenko

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  1. A. V. Kukharev
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  2. A. L. Danilyuk
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  3. V. E. Borisenko
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Correspondence to A. V. Kukharev.

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Original Russian Text © A.V. Kukharev, A.L. Danilyuk, V.E. Borisenko, 2010, published in Zhurnal Tekhnicheskoĭ Fiziki, 2010, Vol. 80, No. 9, pp. 80–84.

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Kukharev, A.V., Danilyuk, A.L. & Borisenko, V.E. Efficiency of injection of charge carriers with a definite spin into a ferromagnet. Tech. Phys. 55, 1311–1316 (2010). https://doi.org/10.1134/S1063784210090136

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  • DOI: https://doi.org/10.1134/S1063784210090136

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