✦ LIBER ✦

Time-resolved spin dynamics in strained Zn1−xMnxSe/ZnSe spin superlattices

✍ Scribed by C.D. Poweleit; L.M. Smith; B.T. Jonker

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 259 KB
Volume: 20
Category: Article
ISSN: 0749-6036
DOI: 10.1006/spmi.1996.0071

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✦ Synopsis

We use time-resolved spectroscopy to directly compare the spin dynamics in strained ZnMnSe epilayers and strained ZnMnSe/ZnSe spin superlattices. The spin-relaxation in these materials is observed to depend strongly on the concentration of the magnetic impurities. Surprisingly, however, no difference is observed between the spin-relaxation of excitons in the quasi-threedimensional epilayers or the two-dimensional spin superlattices. Indeed, the spin-relaxation of excitons is also seen to be independent of the applied magnetic field or magnetization of the Mn-impurities.

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