Abstract
HgCdTe epilayers were grown by molecular beam epitaxy. A series of As+-implanted CdTe and HgCdTe epilayers annealed under different temperatures were investigated by photoluminescence spectroscopy. More As+ ions can occupy the Te sublattice after the samples were annealed at 450°C, and the acceptor level of As+ on the Te sublattice for HgCdTe material (x ≈ 0.39) is 31.5 meV. The Raman spectrum study indicates a recovery of the crystalline perfection after the post-As+-implantation thermal treatment.
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