Optical characterization of Sm3+ and Dy3+:ZnO-PbO-B2O3 glasses.
作者： A. Thulasiramudu , S. Buddhudu
DOI: 10.1016/J.SAA.2006.08.036
关键词: Absorption (electromagnetic radiation) 、 Chemistry 、 Doping 、 Zinc 、 Analytical chemistry 、 Ion 、 Oxide 、 Emission spectrum 、 Boron 、 Metal
摘要: Abstract Here, we present the results of analysis Sm3+ or Dy3+ (0.5 mol%) ions doped heavy metal oxide (HMO)-based zinc lead borate (ZLB) glasses. Optical measurements such as absorption, emission spectra, lifetimes, XRD, DSC profiles have been carried out. The spectrum Sm3+:ZLB has shown transitions 4G5/2 → 6H5/2 (563 nm), 4G5/2 → 6H7/2 (598 nm), 4G5/2 → 6H9/2 (646 nm), 4G5/2 → 6H11/2 (708 nm) with λexc: 401 nm (6H5/2 → 4F7/2). In case Dy3+:ZLB glass, 4F9/2 → 6H15/2 (485 nm), 4F9/2 → 6H13/2 (575 nm) and 4F9/2 → 6H11/2 (664 nm) λexi: 447 nm (6H15/2 → 4I15/2) identified. Energy level schemes relating to mechanisms involved in glasses given.
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