机译:Preparation of high-purity Pr(3+) doped Ge-Ga-Sb-Se glasses with intensive middle infrared luminescence
Russian Acad Sci, GG Devyatykh Inst Chem High Pur Subst, Nizhnii Novgorod 603950, Russia;
Chalcogenide glass; Ga-Ge-Sb-Se; Praseodymium; Purification; Limiting impurities; Photoluminescence;