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Photoluminescence (PL) spectra of Ga 0.75 In 0.25 Se layered single crystals have been studied in the wavelength range of 580–670nm and temperature range of 7–59K. Two PL emission bands centered at 613nm (2.02eV, A-band) and 623nm (1.99eV, B-band) were revealed at T=7K. The excitation laser intensity dependence of the emission bands have been studied in the 0.06–1.40Wcm −2 ...
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