Abstract

The acceptor states in CdTe:Cl single crystals are investigated using a technique based on the analysis of differential spectra of selectively excited donor-acceptor pair photoluminescence. The splitting of 2P 3/2(Γ8) and 2S 3/2(Γ8) states of the AgCd tetrahedral acceptor taking place upon a decrease in the donor-acceptor separation is found. The energies of seven excited states of the complex acceptor with an activation energy of ∼121 meV are determined.

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