Electrical and Photoconductive Properties of GaS0.75Se0.25 Mixed Crystals.
β Scribed by O. Karabulut; M. Parlak; K. Yilmaz; N. M. Gasanly
- Publisher
- John Wiley and Sons
- Year
- 2005
- Weight
- 9 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0931-7597
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Photoluminescence Spectra of GaS 0.75 Se 0.25 Layered Single Crystals Photoluminescence (PL) spectra of GaS 0.75 Se 0.25 layered single crystals have been studied in the wavelength region of 500-850 nm and in the temperature range of 10-200 K. Two PL bands centered at 527 ( 2.353 eV, A-band) and 658
The frequencies and linewidths of five Raman-active modes in a GaS 0.75 Se 0.25 layered crystal have been measured in the 10-300 K temperature range and in the 10-380 cm --1 frequency region. We observed softening and broadening of the optical phonon lines with increasing temperature. The analysis o