Spectroscopic investigations of phosphate-borate-fluoride glass doped with Tb3+/Eu3+
Source abstract
Abstract
Abstract The luminescence of Li 2 O–B 2 O 3 –P 2 O 5 –CaF 2 glass doped with Tb 3 + /Eu 3 + under electron beam excitation have been investigated in detail. The excitation spectra, photoluminescence (PL), pulse cathodoluminescence (PCL) and luminescence decay kinetics were analyzed. The energy transfer efficiency from Tb 3 + to Eu 3 + ions was found to increase at increased concentration of Eu 3 + ions. As the concentration of europium grew, the luminescence quenching was observed. The energy transfer from Tb 3 + to Eu 3 + was observed to occur through level 5 D 4 of terbium ions. It is shown that the luminescence decay kinetics of terbium ions at 485, 544, 622 and 700 nm depends on europium concentration.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Glass properties and applications · Solid State Laser Technologies
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