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Optical and Structural Properties of the GaSxSe1-x, GaSe, TlGaSe2 and TlInS2 Semiconductors
(Tubitak Scientific & Technological Research Council Turkey, 2008) Kulibekov, Aydin Ulubey
In the present work, crystal structure and optical properties of the layered chalcogenides GaSxSe1-x, GaSe, TlGaSe2 and TlInS2 were investigated in the visible (VIS) and infrared (IR) range of spectra. Partial content of the elements were performed and the space group were determined by help of X-ray diffraction experiments. Making use of the experimental results, we have constructed a scheme of band motion for the transition from GaSe to GaS. It has been established that that the infrared active optical modes show typical two-mode behaviour.