Thermally induced abrupt collapse of a shallow donor state in a ferromagnetic semiconductor
- 15 February 1986
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 33 (4) , 2933-2936
- https://doi.org/10.1103/physrevb.33.2933
Abstract
We calculate the free energy of a donor interacting with spin waves and atomic displacements of a ferromagnetic semiconductor. With increasing temperature the free-energy minimum associated with a severely localized state is lowered below that of a large-radius donor. Concomitantly, large-radius donors suddenly severely localize.Keywords
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