Abstract
It is shown using 169Er(169Tm) Mossbauer emission spectroscopy that the photoluminescent centers in crystalline erbium-doped silicon are [Er-O] clusters and that the local symmetry of the Er3+ ions in these clusters is similar to that in Er2O3. The photoluminescent centers in amorphous hydrogenated erbium-doped silicon are clusters, whose local structure also corresponds to erbium oxide.
Published Version
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