Abstract
The magnetic order resulting from the indirect exchange in the metallic phase of a (Ga,Mn)As/GaAs double layer structure is studied via Monte Carlo simulation. The polarization of the hole gas is taken into account, establishing a self-consistency between the magnetic order and the electronic structure. The Curie–Weiss temperatures calculated for these low-dimensional systems are in the range of 50– 80 K , and the dependence of the transition temperature with the GaAs separation layer is established.
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