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Raman Scattering From Collective And Localized Excitations In Diluted Magnetic Semiconductors

Raman spectroscopy provides powerful insights into the novel physical properties of the tetrahedrally coordinated diluted magnetic semiconductors, the II-VI semiconductors with group II ions randomly replaced with transition metal ions like Mn2+, Co2+ or Fe2+. The technique is equally fruitful in the context of the special issues which arise in epilayers and superlattices of these semiconductors.