Polaron percolation in diluted magnetic semiconductors

Details Polaron percolation in diluted magnetic semiconductors Polaron percolation in diluted magnetic semiconductors

2002-01-14

arxiv.org/abs/cond-mat/0201229v1

Phys. Rev. Lett. 88, 247202 (2002)

Physics

Condensed Matter

Materials Science

5 pages

Scientific paper

10.1103/PhysRevLett.88.247202

We theoretically study the development of spontaneous magnetization in diluted magnetic semiconductors as arising from a percolation of bound magnetic polarons. Within the framework of a generalized percolation theory we derive analytic expressions for the Curie temperature and the magnetization, obtaining excellent quantitative agreement with Monte Carlo simulation results and good qualitative agreement with experimental results.

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