Tarasenko, Sergey and Ivchenko, Eougenious and Belkov, Vassilij and Ganichev, Sergey and Schowalter, Dieter and Schneider, Petra and Sollinger, M. and Prettl, Wilhelm and Ustinov, V. and Zhukov, A. and Vorobjev, L. (2003) Monopolar Optical Orientation of Electronic Spins in Semiconductors. Working Paper.
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It is shown that absorption of circularly polarized infrared radiation due to intraband (Drude-like) transitions in n-type bulk semiconductors and due to intra-subband or inter-subband transitions in quantum well (QW) structures results in a monopolar spin orientation of free electrons. Spin polarization in zinc-blende-structure based QWs is demonstrated by the observation of the spin-galvanic and the circular photogalvanic effects.
The monopolar spin orientation in n-type materials is shown to be possible if an admixture of valence band states to the conduction band wave function and the spin-orbit splitting of the valence band are taken into account.
|Item Type:||Monograph (Working Paper)|
|Institutions:||Physics > Institute of Experimental and Applied Physics > Professor Ganichev > Group Sergey Ganichev|
|Subjects:||500 Science > 530 Physics|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||05 Oct 2007|
|Last Modified:||20 Jul 2011 23:08|
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