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LTPL spectra of sSOI sample obtained under visible excitation .
LTPL spectra of sSOI sample obtained under UV excitation .
(Color online) LTPL spectra of sSOI samples: (a) as prepared (sample A) (b) without strained Si top layer (sample B), and (c) without strained Si top layer and buried oxide layer (sample C). The excitation wavelength is .
and PL peak integrated intensities as a function of the laser power excitation.
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