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PL spectra of Tb-doped films after (a) anneal and (b) anneal. The inset shows PL decay traces.
PL spectra of Tb-free films after (a) anneal and (b) anneal.
(Color online) Composition and anneal temperature dependence of (a) and (b) band tail PL intensities ( means as deposited, not annealed).
PLE spectra of mid-O (Tb doped) annealed at 750 and . PLE spectra were monitored at ( related) and (host related). For comparison, PLE spectra of Tb-free sample are also shown.
Atomic compositions of the films.
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