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The optical properties and the nanoscale structure of Ce‐doped SiO1.5 thin films elaborated by evaporation were investigated by photoluminescence and atom probe tomography. Strong Ce‐related blue luminescence is observed on the 1100 °C annealed sample. Atom probe tomography experiments give evidence of the formation of a cerium silicate having a stoichiometry compatible with Ce2Si2O7. Moreover, we...
We investigate the luminescence properties of Ce3+ ions in Ce‐doped SiO1.5 thin films containing Si nanocrystals (Si‐ncs) by means of steady‐state photoluminescence (PL), time‐resolved PL and PL excitation spectroscopy. Strong Ce‐related blue luminescence is observed with the naked eye at room temperature. The Ce‐related lumines‐cence is found to ncrease with the Ce content in the films while simultaneously,...
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