Far infrared spin resonance in II-VI d.m.s

J. L. Martin

doi:10.1117/12.2298748

30 November 2017 Far infrared spin resonance in II-VI d.m.s

J. L. Martin

Proceedings Volume 2104, 18th International Conference on Infrared and Millimeter Waves; 21048S (2017) https://doi.org/10.1117/12.2298748
Event: 18th International Conference on Infrared and Millimeter Waves, 1993, Colchester, United Kingdom

Abstract

Exchange interactions in dilute magnetic semiconductors (D.M.S.) Zni-xCoxS,Zni-sMn.Se and Cdi-..Mr4Se are studied by E. P.R. in the F.I.R. region with highmagnetic field up to 40 Tesla. For x P--# 5%, transmission spectra exhibit very sharpsatellite lines on both sides of the single magnetic ion resonance. We assigne thesestructures to be relevant of the exchange interaction in magnetic ions pairs. A calcula- tion of pairs energy levels, including Dzialoshinsky Morya (D.M.) effects, and symetri- cal exchange terms of the interaction tensor, allows to extract from the measurementsthe values of D.M. constant. Moreover, in the case of cobalt, the occurrence of anabsorption peak at half field is well interpreted by taking into account the symetricanisotropic terms.

Citation Download Citation

J. L. Martin "Far infrared spin resonance in II-VI d.m.s", Proc. SPIE 2104, 18th International Conference on Infrared and Millimeter Waves, 21048S (30 November 2017); https://doi.org/10.1117/12.2298748

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