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Green/yellow emission has been obtained from ZnSe-based pn junction heterostructures where Te is introduced as an isoelectronic center by planar doping of (Zn,Cd)Se quantum wells with ZnTe. The spectra show details which are directly related to the strong coupling of excitons to the lattice at the Te-rich sites.
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Hagerott et al. (1993) studied this question.
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