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Er3+ luminescent properties from Erbium doped Si-rich Si nitride (SRSN) films were investigated through photoluminescence (PL) and photoluminescence excitation spectroscopy (PLE). These films grown by ultra-high vacuum ion beam sputtering are annealed at high temperature in order to form the Si-nanoclusters (nc-Si). We find that nc-Si can act as efficient sensitizers for Er3+, displaying the strong...
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