, ? Neodymium-doped silicon oxide thin films have been prepared by evaporation
, ? Silicon nanocrystals are generated in the films by annealing post-treatments
, ? Under indirect excitation, neodymium ions are sensitized by nanocrystals
, ? Below 100 K, the neodymium-related photoluminescence intensity saturates
, ? Saturation is explained by a decrease of the coupling efficiency with nanocrystals
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