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Cd 1-z Mn z Ga 2 Se 4 . Calculated values of exchange interaction parameter -J i /k as a function of distance r i for u=3 and for various values of z. Numbers indicated i: values for Mn neighbors.
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The exchange interaction parameter values were determined for the Cd1-zMnzGa2Se4, Zn1-zMnzGa2Se4 and Zn1-zMnzIn2Te4 alloy systems from the expressions given by the mean field theory for the Curie-Weiss (θ) and the critical Neél temperature (TN). It was found that for Cd1-zMnzGa2Se4 and Zn1-zMnzGa2Se4 the exchange mechanism involves electronic virtu...
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The exchange interaction parameter values were determined for the Cd1-zMnzGa2Se4, Zn1-zMnzGa2Se4 and Zn1-zMnzIn2Te4 alloy systems from the expressions given by the mean field theory for the Curie-Weiss (θ) and the critical Neél temperature (TN). It was found that for Cd1-zMnzGa2Se4 and Zn1-zMnzGa2Se4 the exchange mechanism involves electronic virtu...
