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arXiv 0903.1728cond-mat.mtrl-sci
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纳米级稀磁半导体带裂的磁性

Magnetic properties of nanosized diluted magnetic semiconductors with band splitting

E. Z. Meilikhov, R. M. Farzetdinova

摘要:

本文考虑了稀磁半导体薄膜和线的非均匀磁性的连续模型,并考虑了导致磁性杂质间接相互作用(例如通过RKKY机制)的载流子有限自旋极化。不同自旋取向的磁化强度和载流子浓度的空间分布(跨膜厚或线半径)以及平均磁化强度的温度依赖性被确定为非线性积分方程的解。

英文摘要:

The continual model of the nonuniform magnetism in thin films and wires of a diluted magnetic semiconductor is considered with taking into account the finite spin polarization of carriers responsible for the indirect interaction of magnetic impurities (e.g. via RKKY mechanism). Spatial distributions (across the film thickness or the wire radius) of the magnetizaton and carrier concentrations of different spin orientations, as well as the temperature dependence of the average magnetization are determined as the solution of the nonlinear integral equation.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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