XPS analysis of TBBO glass
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Glasses and glass-ceramics with nominal composition 73 TeO2– 4BaO– 3Bi2O3–18SrF2-2RE2O3 (where RE = Eu, Dy) have been synthesized by conventional melt-quenching technique and subsequent heat treatment at 370 °C for 24 h in air atmosphere. Various Eu3+ to Dy3+ molar ratio have been applied to investigate luminescence properties in both glass and glass-ceramic matrices. Especially, white light emission through simultaneous excitation of Eu3+ and Dy3+ has been studied in detail. Influence of crystalline SrF2 phase on luminescence kinetics has been determined by luminescence decay time measurements. Presence of crystalline SrF2 phase has been confirmed by X-ray diffraction technique XRD and transmission electron microscopy TEM. X-ray photoelectron spectroscopy XPS. XPS measurements were performed by OmicronNanotechnology UHV system. Data analysis was performed with the CASA XPS software package using a Shirley background subtraction and least-square Gaussian-Lorentzian – GL(30) curve fitting algorithm.
提供机构：
Gdańsk University of Technology
创建时间：
2021-06-23
