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The luminescence properties of Er 3+ -doped PbTiO 3 perovskite-type obtained via Pechini method are reported. The process is observed under 980 nm (GaAs:Si laser diode) and 488 nm (Argon CW laser) excitation resulting in green (∼555 nm) and red (∼655 nm) emission. The mechanisms of the excitation are discussed. The power up-conversion efficiency for red emission is predominant in this...
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