Abstract
In a type-II multiple quantum well consisting of ZnTe/Cd 1-x Mn x Se, the Raman shifts associated with the spin flip of donor-bound electrons in the Cd 1-x Mn x Se wells are significantly smaller than in bulk Cd 1-x Mn x Se of comparable x. This effect is ascribed to the decrease in the effective Mn 2+ concentration as a result of the penetration of the donor electron wave function into the nonmagnetic barrier. Raman electron paramagnetic resonance of Mn 2+ is also observed in these type-II quantum wells, whose resonance enhancement is associated with spatially direct interband transitions from states above the barrier for holes to the quantum confined electronic states
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