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Edmonds KW, van der Laan G, Freeman AA, et al. Angle-dependent x-ray magnetic circular dichroism from (Ga,Mn)As: anisotropy and identification of hybridized states. Phys Rev Lett. 2006;96(11):117207doi: 10.1103/PhysRevLett.96.117207.
Edmonds, K. W., van der Laan, G., Freeman, A. A., Farley, N. R., Johal, T. K., Campion, R. P., Foxon, C. T., Gallagher, B. L., & Arenholz, E. (2006). Angle-dependent x-ray magnetic circular dichroism from (Ga,Mn)As: anisotropy and identification of hybridized states. Physical review letters, 96(11), 117207. https://doi.org/10.1103/PhysRevLett.96.117207
Edmonds, K W, et al. "Angle-dependent x-ray magnetic circular dichroism from (Ga,Mn)As: anisotropy and identification of hybridized states." Physical review letters vol. 96,11 (2006): 117207. doi: https://doi.org/10.1103/PhysRevLett.96.117207
Edmonds KW, van der Laan G, Freeman AA, Farley NR, Johal TK, Campion RP, Foxon CT, Gallagher BL, Arenholz E. Angle-dependent x-ray magnetic circular dichroism from (Ga,Mn)As: anisotropy and identification of hybridized states. Phys Rev Lett. 2006 Mar 24;96(11):117207. doi: 10.1103/PhysRevLett.96.117207. Epub 2006 Mar 22. PMID: 16605863.
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Phys Rev Lett. 2006 Mar 24;96(11):117207. doi: 10.1103/PhysRevLett.96.117207. Epub 2006 Mar 22.

Angle-dependent x-ray magnetic circular dichroism from (Ga,Mn)As: anisotropy and identification of hybridized states.

Physical review letters

K W Edmonds, G van der Laan, A A Freeman, N R S Farley, T K Johal, R P Campion, C T Foxon, B L Gallagher, E Arenholz

Affiliations

  1. School of Physics and Astronomy, University of Nottingham, Nottingham NG7 2RD, United Kingdom.

PMID: 16605863 DOI: 10.1103/PhysRevLett.96.117207

Abstract

Remarkably anisotropic Mn L2,3 x-ray magnetic circular dichroism spectra from the ferromagnetic semiconductor (Ga,Mn)As are reported. States with cubic and uniaxial symmetry are distinguished by careful analysis of the angle dependence of the spectra. The multiplet structures with cubic symmetry are qualitatively reproduced by calculations for an atomiclike d5 configuration in tetrahedral environment, and show zero anisotropy in the orbital and spin moments within the experimental uncertainty. However, hybridization with the host valence bands is reflected by the presence of a preedge feature with a uniaxial anisotropy and a marked dependence on the hole density.

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