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American Physical Society, Physical review B, 12(70), 2004

DOI: 10.1103/physrevb.70.125204

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Photoemission studies of the annealing-induced modifications ofGa0.95Mn0.05As

Journal article published in 2004 by M. Adell, L. Ilver, J. Kanski, J. Sadowski, R. Mathieu ORCID, V. Stanciu
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This paper is available in a repository.

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Abstract

Using angle resolved photoemission we have investigated annealing-induced changes in Ga1−xMnxAs with x=0.05. We find that the position of the Fermi energy is a function of annealing time and temperature. It is also established that the Curie temperature is strongly correlated to the separation between the Fermi level and the valence band maximum. Valence band photoemission shows that the Mn3d spectrum is modified by the annealing treatments.