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Transport and ferromagnetism in InGaAs quantum well structures delta-doped with Mn

  • Nanostructures and Low-Dimensional Systems
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Abstract

Samples containing InGaAs quantum wells with p-type conductivity delta-doped by Mn were synthesized and studied. Magnetic moment measurements on a SQUID magnetometer revealed the presence of ferromagnetism at temperatures T from 4.2 to 400 K. Anomalous Hall effect caused by additional sample magnetization was observed at temperatures of from about 30 to 80 K. The Shubnikov-de Haas effect was recorded at 4.2 K. Negative magnetoresistance changed sign for positive at T ≈ 30 K as the temperature increased.

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Authors and Affiliations

  1. Moscow State University, Leninskie gory, Moscow, 119992, Russia

    P. V. Gurin & V. A. Kul’bachinskiĭ

  2. Nizhni Novgorod Research Physicotechnical Institute, Nizhni Novgorod State University, pr. Gagarina 23/5, Nizhni Novgorod, 603950, Russia

    Yu. A. Danilov & B. N. Zvonkov

  3. Russian Research Center “Kurchatov Institute”, pl. Akademika Kurchatova 1, Moscow, 123182, Russia

    B. A. Aronzon, A. B. Davydov & V. V. Ryl’kov

Authors
  1. P. V. Gurin
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  2. V. A. Kul’bachinskiĭ
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  3. Yu. A. Danilov
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  4. B. N. Zvonkov
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  5. B. A. Aronzon
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  6. A. B. Davydov
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  7. V. V. Ryl’kov
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Original Russian Text © P.V. Gurin, V.A. Kul’bachinskiĭ, Yu.A. Danilov, B.N. Zvonkov, B.A. Aronzon, A.B. Davydov, V.V. Ryl’kov, 2007, published in Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2007, Vol. 132, No. 1, pp. 205–208.

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Gurin, P.V., Kul’bachinskiĭ, V.A., Danilov, Y.A. et al. Transport and ferromagnetism in InGaAs quantum well structures delta-doped with Mn. J. Exp. Theor. Phys. 105, 181–184 (2007). https://doi.org/10.1134/S1063776107070400

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  • DOI: https://doi.org/10.1134/S1063776107070400

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