Abstract
In this paper, we report on spectroscopic studies of Cr3+/Ni2+ codoped transparent glass ceramics containing β-Ga2O3 nanocrystals. Energy transfer between Cr3+ and Ni2+ in the Cr3+/Ni2+ codoped glass ceramics has been investigated by steady state emission spectra, time-resolved emission spectra, and excitation spectra. The nonradiative energy transfer has been confirmed from the decrease in the Cr3+ fluorescence lifetime after Ni2+ codoping. The energy transfer efficiency is estimated and the energy transfer mechanism is discussed.
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