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Magnetoreflectivity Study of Excitons in MBE Grown Zn1−xFex Se Crystals

Published online by Cambridge University Press:  26 February 2011

X. Liu ,
A. Petrou ,
G. A. Prinz ,
B. T. Jonke ,
J. J. Krebs  and
J. Warnock
X. Liu
Affiliation:
Department of Physics and Astronomy, SUNY at Buffalo, Buffalo NY 14260
A. Petrou
Affiliation:
Department of Physics and Astronomy, SUNY at Buffalo, Buffalo NY 14260
G. A. Prinz
Affiliation:
Naval Research Laboratory, Washington DC 20375-5000
B. T. Jonke
Affiliation:
Naval Research Laboratory, Washington DC 20375-5000
J. J. Krebs
Affiliation:
Naval Research Laboratory, Washington DC 20375-5000
J. Warnock
Affiliation:
IBM Thomas J. Watson Research Center, Yorktown Heights NY 10598
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Abstract

We present a magnetoreflectivity study of the excitons in MBE grown Zn1−xFexSe crystals for x=0.017, 0.027 and 0.043. The excitonic spinsplitting was studied as function of magnetic field in both the Faraday and Voigt geometries. The exchange integrals were determined from the conduction and valence band spin-splittings. The exciton spin-splitting was also studied as function of temperature. This study yielded the value of the energy spacing of the Fe++ states and also verified that Zn1−xFexSe is a Van Vleck paramagnet.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 102 , 1987 , 215
Copyright
Copyright © Materials Research Society 1988

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References

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