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Here, Cr3+ sensitized intense luminescence is obtained from Yb3+ ions in a series of newly formulated Cr-Yb doped Ba-Al metaphosphate glass. It has been observed from measured FTIR and absorption spectra that, Yb3+ ion plays the role of network modifier by polymerizing the network in this host. The Yb3+ emission intensity enhanced significantly under Cr3+ excitation in codoped sample due to Cr3+ to...
In the present study, we report the formation of transparent glass-ceramics containing BaGdF5 nanocrystals under optimum ceramization of SiO2–BaF2–K2O–Sb2O3–GdF3–Eu2O3 based oxyfluoride glass and the energy transfer mechanisms in Eu2+→Eu3+ and Gd3+→Eu3+ has been interpreted through luminescence study. The modification of local environment surrounding dopant ion in glass and glass ceramics has been...
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