X-ray magnetic dichroism in the (Zn, Co)O diluted magnetic semiconductors from 
first principle calculations

Antonov, V. N.; Bekenov, L. V.; Jepsen, O.; Mazur, D. V.; Germash, L. P.

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X-ray magnetic dichroism in the (Zn, Co)O diluted magnetic semiconductors from first principle calculations

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Antonov, V. N.
Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Jepsen, O.
Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Antonov, V. N., Bekenov, L. V., Jepsen, O., Mazur, D. V., & Germash, L. P. (2012). X-ray magnetic dichroism in the (Zn, Co)O diluted magnetic semiconductors from first principle calculations. Journal of Applied Physics, 111(7): 073702.

Cite as: https://hdl.handle.net/21.11116/0000-000E-C2EC-D

Abstract

The electronic structure of the (Zn, Co)O diluted magnetic semiconductors (DMSs) were investigated theoretically from first principles, using the fully relativistic Dirac linear muffin-tin orbital band structure method. The electronic structure was obtained with the local spin-density approximation. The x-ray absorption spectra (XAS), x-ray magnetic circular dichroism (XMCD), and x-ray linear dichroism (XLD) spectra at the Co, Zn, and O K and Zn, Co L-2,L-3 edges were investigated theoretically from first principles. The origin of the XMCD and XLD spectra in these compounds was examined. The orientation dependence of the XAS at the Co and Zn K edges were investigated by calculating the XAS spectra for the < 001 > and < 110 > magnetization axis. The calculated results are compared with available experimental data. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3699276]