Spectres vibrationnels, transitions electroniques et structures a courtes distances dans les verres: Sulfures de terres rares - sulfure de gallium
Materials Research Bulletin(1977)
摘要
Absorption spectra of chalcogenide glasses of general formula Ln2S3-1,8 Ga2S3 (Ln = La+3, Ce+3, Pr+3, Nd+3, Gd+3 were investigated continously from far infrared to ultra-violet region. Raman spectra were recorded in the 5cm−1–600 cm−1 range. Vibrational spectra of glasses have been compared to those of polycrystalline compounds Ln103Ga6S14 (Ln = La+3, Ce+3) and Ln6Ga103S14 (Ln = La+3 to Gd+3).
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