Abstract
The spin-glass transition in Cd1-xMnxTe epitaxial 1ayers and bulk samples with 0.24 < x < 0.43 and in quantum well structures on the basis of Cd1-xMnxΤe were investigated by means of optical spectroscopy. Reduction of dimensionality of Cd1-xMnxTe 1ayers down to the quasi-two-dimensional case realized in Cd1-x Mnx Te/Cd1y Mn y Τe heterostructures frustrates the spin-glass formation, which is in agreement with theoretical predictions. The spin-glass formation is also frustrated in the vicinity of interfaces between semimagnetic and nonmagnetic semiconductors in CdTe/Cd1xMnx Te quantum wells. .
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