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B2O3–PbO–Bi2O3–GeO2 glass doped with Pr3+ was synthesized and implanted with Au+ using energy of 300keV and fluence of 1 × 1016cm−2. Annealing at moderate temperature, below the glass transition temperature, induced nucleation and growth of gold nanoparticles confirmed by the corresponding absorption band in the visible range and by transmission electron microscopy. The average size of the gold nanoparticles...
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