Title: Electronic structure and x-ray magnetic circular dichroism in (Ge,Mn)Te diluted magnetic semiconductors
Author(s):

	V.N. Antonov (Institute of Metal Physics of the National Academy of Sciences of Ukraine, 36 Vernadsky Str., 03142 Kiev, Ukraine; Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, D-70569 Stuttgart, Germany) ,
	A.P. Shpak (Institute of Metal Physics of the National Academy of Sciences of Ukraine, 36 Vernadsky Str., 03142 Kiev, Ukraine) ,
	L.V. Bekenov (Institute of Metal Physics of the National Academy of Sciences of Ukraine, 36 Vernadsky Str., 03142 Kiev, Ukraine) ,
	L.P. Germash (National Technical University of Ukraine, Kiev Polytechnic Institute 14 Politehnichna Str., 03056 Kiev, Ukraine) ,
	A.N. Yaresko (Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, D-70569 Stuttgart, Germany)

The electronic structure of the (Ge,Mn)Te diluted magnetic semiconductors was investigated theoretically from first principles, using the fully relativistic Dirac linear muffin-tin orbital (LMTO) band structure method. The electronic structure is obtained with the local spin-density approximation (LSDA) as well as the LSDA+U method. The x-ray magnetic circular dichroism (XMCD) spectra of (Ge,Mn)Te DMSs at the Mn L_2,3 edges are investigated theoretically from first principles. The origin of the XMCD spectra in the compound is examined. The calculated results are compared with available experimental data.

Key words: electronic structure, diluted magnetic semiconductors, x-ray magnetic circular dichroism
PACS: 71.28.+d, 71.25.Pi, 75.30.Mb

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