Ganichev, Sergey and Tarasenko, Sergey and Belkov, Vassilij and Olbrich, Peter and Eder, Wolfgang and Yakovlev, D. and Kolkovsky, V. and Zaleszczyk, W. and Karczewski, G. and Wojtowicz, T. and Weiss, Dieter (2009) Spin Currents in Diluted Magnetic Semiconductors. Physical Review Letters (PRL) 102 (15), pp. 156602-1.
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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.
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|Institutions:||Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss|
Physics > Institute of Experimental and Applied Physics > Professor Ganichev > Group Sergey Ganichev
|Projects:||SFB 689: Spinphänomene in reduzierten Dimensionen|
|Subjects:||500 Science > 530 Physics|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Partially|
|Deposited On:||29 Jun 2009 11:44|
|Last Modified:||05 Aug 2009 13:58|