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1980 J. Phys. C: Solid State Phys. 13 2347-2360 doi: 10.1088/0022-3719/13/12/016
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Abstract. The indirect exchange interaction between two localised magnetic moments is calculated for Hg1-xMnxTe alloys near the zero-gap semiconductor transition. For such Mn concentrations the non-parabolic effects are overwhelming and have been accounted for properly. The electron-heavy-hole virtual transitions are shown to be larger than the electron-light-hole transitions. The net exchange integral is antiferromagnetic; the numerical value of the Curie-Weiss temperature is calculated and compared with experimental determinations.
Print publication: Issue 12 (30 April 1980) |
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