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Survey of the Field of Magnetic Semiconductors

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1 Author(s)
Methfessel, S. ; Ruhr-Universitat, Institut Für Experimentalphysik IV, Bochum, West Germany

Magnetic semiconductors are materials with good band conductivity as well as magnetic order. Since each phenomenon requires a different description of the relevant electron states, the band structure of these materials is very complicated, containing band states as well as localized states. An important condition for strong interaction between the magnetic and the conducting electrons appears to be the existence of high densities of states at the Fermi energy, providing large carrier polarizations in the magnetized state.

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 )