Abstract
We have performed measurements of magnetization for two samples of the tetragonal semimagnetic semiconductor (SMSC) (Cd 1− x− yZn yMn x ) 3As 2 (CZMA) with different compositions, in fields up to 40T. Taking into account the complicated crystal structure of CZMA within the generalized pair approximation and basing on theoretical analyses concerning the Mn-Mn interaction in SMSC which show that the dominant roles in this process are played by superexchange and the Bloembergen-Rowland exchange, we have obtained a very good agreement between our calculated dependences and experimental data.
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