Weber, Wolfgang and Ganichev, Sergey and Kvon, Z and Bel'kov, V and Golub, L and Danilov, Sergey and Weiss, Dieter and Prettl, Wilhelm and Cho, H and Lee, J (2005) Demonstration of Rashba spin splitting in GaN-based heterostructures. Applied Physics Letters 87, p. 262106.
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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, caused by the built- in asymmetry at the AlGaN/GaN interface.
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|Institutions:||Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss|
|Subjects:||500 Science > 530 Physics|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||25 May 2009 13:21|
|Last Modified:||17 Nov 2009 04:10|