Spin Currents in Diluted Magnetic Semiconductors

Ganichev, S. D. and Tarasenko, S. A. and Bel'kov, V. V. and Olbrich, P. and Eder, W. and Yakovlev, D. R. and Kolkovsky, V. and Zaleszczyk, W. and Karczewski, G. and Wojtowicz, T. and Weiss, D. (2009) Spin Currents in Diluted Magnetic Semiconductors. PHYSICAL REVIEW LETTERS, 102 (15): 156602. ISSN 0031-9007, 1079-7114

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Abstract

We study zero-bias spin separation in (Cd,Mn)Te/(Cd,Mg)Te diluted magnetic semiconductor structures. The spin current generated by electron gas heating under terahertz radiation is converted into a net electric current by applying an external magnetic field. The experiments show that the spin polarization of the magnetic ion system enhances drastically the conversion process due to giant Zeeman splitting of the conduction band and spin-dependent electron scattering on localized Mn2+ ions.

Item Type: Article
Uncontrolled Keywords: HETEROSTRUCTURES;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Experimental and Applied Physics > Professor Ganichev > Group Sergey Ganichev
Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss
Depositing User: Dr. Gernot Deinzer
Date Deposited: 17 Sep 2020 12:33
Last Modified: 17 Sep 2020 12:33
URI: https://pred.uni-regensburg.de/id/eprint/29118

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