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Spin-disorder Scattering and Band Structure of the Ferromagnetic Chalcogenide Spinels

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1 Author(s)
C. Haas ; Laboratory for Inorganic Chemistry, State University, Groningen, Netherlands

Magnetic semiconductors are characterized by the presence of charge carriers and magnetic moments. The interaction between the charge carriers and the magnetic moments leads to a spin splitting of the energy bands, and to spin-disorder scattering of the charge carriers. The result is a strong influence of magnetic properties on the transport properties. The theory of these effects is discussed in the first part of this paper. In the second part two models for the band structure of CdCr2Se4 are discussed, and compared with experimental data on the optical properties and the transport properties.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Journal of Research and Development  (Volume:14 ,  Issue: 3 )