Effect of the direct exchange interaction between magnetic impurities on magnetization in diluted magnetic semiconductors
Keywords:CPA, diluted magnetic semicoductors, magnetization
AbstractWe consider a model of III-V diluted magnetic semiconductors where both of the exchange interaction between carrier and impurity spins, and the direct exchange interaction between magnetic impurities are taken into account. The magnetization as a function of temperature for a wide range of model parameters is calculated and discussed. We show that for a degenerate carrier system the suppression of the magnetization is sensitive to the antiferromagnetic coupling constant and the impurity concentration.
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How to Cite
Thai, V. K., Anh, L. D., & Tuan, H. A. (2012). Effect of the direct exchange interaction between magnetic impurities on magnetization in diluted magnetic semiconductors. Communications in Physics, 22(1), 53–58. https://doi.org/10.15625/0868-3166/22/1/186
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