Weber, Wolfgang and Ganichev, Sergey and Kvon, Z. D. and Belkov, Vassilij and Golub, Leonid and Danilov, Sergey and Weiss, Dieter and Prettl, Wilhelm and Cho, Hyun-Ick
Demonstration of Rashba spin splitting in GaN-based heterostructures.
Applied Physics Letters 87, p. 262106.
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Other URL: http://www.physik.uni-regensburg.de/forschung/ganichev/reprints/condmat0509208GaN.pdf
The circular photogalvanic effect, induced by infrared radiation, has been observed in (0001)-oriented n-GaN low dimensional structures. The photocurrent changes sign upon reversing the radiation helicity demonstrating the existence of spin splitting of the conduction band in k space in this type of materials. The observation suggests the presence of a sizeable Rashba type of spin splitting, ...
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