Abstract

Semimagnetic (or diluted magnetic) semiconductors are semiconducting crystals whose lattice is made up in part of substitutional magnetic ions (Mn, Fe, Co, etc.). Semi-magnetic semiconductors have been in the last years the object of intense investigations due to their interesting material properties (see, e.g., Ref. [1]). Most extensively investigated has been the Mn-doped semimagnetic semiconductor family, in which the Mn2+ (3d 5) ion has a 6S5/2 free-ion ground level. Let us discuss here the optical constants and spectra of some Cd-based semimagnetic semiconductors (Cd1-x Mn x Se, Cd1-x Mn x Te, Cd1-x . Fe x Se, and Cd1-x Fe x Te).

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