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Low-Voltage Cathodoluminescent Properties of Europium-Activated Anion-Deficient Fluorites
Published online by Cambridge University Press: 21 February 2011
Abstract
We have examined the optical bandgap, particle size distribution, photoluminescence spectra, and cathodoluminescent response of fifteen phosphors that contain transition-metal and main-group sensitizers. We determined luminance versus applied voltage curves for electron energies from 5 to 1000 eV. Seven phosphors exhibit threshold voltages less than 110 V. Y1.96Eu0.04O3 exhibits a threshold voltage of 13 V and, at 300 V, displays a luminance of 25 fL and a luminous efficiency of 0.02 lm/W.
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- Copyright © Materials Research Society 1994
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