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(Color online) PL signal at room temperature from as-deposited and laser irradiated samples. The insert shows the center of each band as a function of the laser power.
Energy filtered transmission electron microscopy of irradiated samples still amorphous at 135 kW/cm2 (a) and with Si-QDs at 143 kW/cm2 (b). The insets are the diffraction patterns.
(Color online) Si oxidation states, expressed in atomic percentage, as a function of the power density.
XPS Si2p peaks decomposition and relative molecular configurations.
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