One- and two-phonon Raman spectra of amorphous AsSe systems
作者： Seinosuke Onari , Kiyoto Matsuishi , Toshihiro Arai
DOI: 10.1016/0022-3093(85)90401-6
关键词: Raman spectroscopy 、 Polarization (waves) 、 Amorphous solid 、 Analytical chemistry 、 Overtone 、 Chemistry 、 Amorphous semiconductors 、 First order 、 Molecular physics 、 Phonon 、 Superposition principle 、 Materials Chemistry 、 Electronic, Optical and Magnetic Materials 、 Condensed matter physics 、 Ceramics and Composites
摘要: Abstract The polarization dependence of the one- and two-phonon Raman scatterings amorphous semiconductor As x Se 1− systems for 0 ⩽ 0.5 was measured. analysis data by superposition vibrations AsSe 3 pyramids SeSe bonds suggests existence intermediate range interaction in systems. Two phonon spectra 0.3 are explained combination plus overtone first order scatterings. For 0.2, however, processes become predominant. on concentration that chemical orderings
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