Structural and magnetic properties of GaSb:MnSb granular layers
2011
Dynowska, E. | Bak-Misiuk, J. | Romanowski, P. | Domagala, J.Z. | Sadowski, J. | Wojciechowski, T. | Kret, S. | Kurowska, B. | Kwiatkowski, A. | Caliebe, W.
The results of structural and magnetic characterization of GaMnSb layers grown on GaSb(001) and GaAs(111) substrates are presented. The presence of hexagonal, highly oriented MnSb inclusions embedded in GaSb matrix has been demonstrated. The lattice parameters of these inclusions were the same as those for bulk MnSb for the layers grown on GaSb(100) substrate while for the layers grown on GaAs(111) the MnSb inclusions were strained. The influence of a presence of MnSb clusters on the lattice parameter of GaSb matrix has been demonstrated. It was confirmed that in all cases the MnSb clusters exhibit a ferromagnetic behavior at room temperature.
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