Bound magnetic polaron in magnetic semiconductors

P. Kuivalainen, J. Sinkkonen, Kimmo Kaski, T. Stubb

Research output: Contribution to journalArticleScientificpeer-review

23 Citations (Scopus)

Abstract

The bound magnetic polaron (BMP) model is studied for a ferromagnetic non-degenerate semiconductor. Using Zubarev's Green's function technique a set of coupled equations for the nonuniform spin polarization around an impurity is obtained and the binding energy of a shallow impurity state. A variational solution of these equations indicates that near the magnetic transition temperature the binding energy increases and the orbit of the bound electron shrinks. The application of a magnetic field decreases the binding energy and increases the electron orbit. The calculated temperature and magnetic field dependences of the resistivity are compared with the measured values for a EuSe sample.
Original languageEnglish
Pages (from-to)181-190
JournalPhysica Status Solidi. B: Basic Research
Volume94
Issue number1
DOIs
Publication statusPublished - 1979
MoE publication typeA1 Journal article-refereed

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