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We report on the temperature dependence of a magnetic-field-induced type-I{→}type-II transition in a (86 {})/(86 {}) CdTe/Cd0.93{Mn}0.07$Te superlattice. The critical magnetic field at which the transition takes place is found to increase with increasing temperature. This allows an estimation of the relative valence-band offset ranging between 15% and 25%. In addition, the experimental results indicate the existence of magnetic polarons at low temperature (T=1.7 K).
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Peter et al. (1991) studied this question.
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