2010
DOI: 10.2478/v10047-010-0024-z
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Cathodoluminescence of Terbium- and Ytterbium-Activated Oxyfluoride Glasses and Glass Ceramics

Abstract: Cathodoluminescence (CL) spectra and decay times have been studied for oxyfluoride glasses and glass ceramics of the system: SiO 2 -Al 2 0 3 -Na 2 O -LaF 3 -NaF, activated by terbium and ytterbium.The CL spectra of the glasses and glass ceramics show characteristic Tb 3+ luminescence bands: blue ( 5 D 3 → 7 F J ) and green ( 5 D 4 → 7 F J ) groups. With increasing terbium concentration the blue-to green-group ratio decreases.The CL decay curves can be sufficiently well approximated by two exponents − fast and … Show more

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“…Terbium and ytterbium activated (SANL:Tb) glass samples have been studied in our previous research [12], the shortest cathodoluminescence (CL) decay times are 65-330 , which were observed at the bands of blue group of . In this study, we have examined oxyfluoride glass and glass-ceramics with different activators and heat treatment at different temperatures.…”
Section: Introductionmentioning
confidence: 99%
“…Terbium and ytterbium activated (SANL:Tb) glass samples have been studied in our previous research [12], the shortest cathodoluminescence (CL) decay times are 65-330 , which were observed at the bands of blue group of . In this study, we have examined oxyfluoride glass and glass-ceramics with different activators and heat treatment at different temperatures.…”
Section: Introductionmentioning
confidence: 99%