Abstract

Semimagnetic (or diluted magnetic) semiconductors are semiconducting crystals whose lattice is made up in part of substitutional magnetic ions (Mn, Fe, Co, etc.). Semimagnetic 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 6 S 5/2 free-ion ground level. We discuss here the optical constants and spectra of some Zn-based semimagnetic ternary semiconductors (Zn1-x Mn x S, Zn1-x Mn x Se, Zn1-x Mn x Te, Zn1-x Fe x Se, and Zn1-x Co x Se).

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