Scintillator-Oriented Investigation of Y3Al5O12: Ce, Tb Powders
V Khanin, AM van Dongen, D Buettner… - ECS Journal of Solid …, 2015 - iopscience.iop.org
ECS Journal of Solid State Science and Technology, 2015•iopscience.iop.org
The spectral and kinetic characteristics of YAG: Ce, Tb powders (with Tb 3+ concentration
varying up to 100%, relative to Y) using cathode-ray and UV excitations were determined.
The energy diagram of YAG: Ce, Tb was constructed and energy transfer processes in the
compound were studied. The most effective resonance energy transfer takes place at Tb 3+
concentrations of 20%. There is no evidence of Ce 3+→ Tb 3+ energy back transfer for (Y,
Tb) AG: Ce even in high resolution spectra. The optimal Tb 3+ content for maximum light …
varying up to 100%, relative to Y) using cathode-ray and UV excitations were determined.
The energy diagram of YAG: Ce, Tb was constructed and energy transfer processes in the
compound were studied. The most effective resonance energy transfer takes place at Tb 3+
concentrations of 20%. There is no evidence of Ce 3+→ Tb 3+ energy back transfer for (Y,
Tb) AG: Ce even in high resolution spectra. The optimal Tb 3+ content for maximum light …
Abstract
The spectral and kinetic characteristics of YAG: Ce, Tb powders (with Tb 3+ concentration varying up to 100%, relative to Y) using cathode-ray and UV excitations were determined. The energy diagram of YAG: Ce, Tb was constructed and energy transfer processes in the compound were studied. The most effective resonance energy transfer takes place at Tb 3+ concentrations of 20%. There is no evidence of Ce 3+→ Tb 3+ energy back transfer for (Y, Tb) AG: Ce even in high resolution spectra. The optimal Tb 3+ content for maximum light output of YAG: Ce, Tb was determined to be 20% and for lowest afterglow 100%.
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