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Low-Voltage Cathodoluminescent Properties of Europium-Activated Anion-Deficient Fluorites

  • Mark T. Anderson (a1), Mark L. F. Phillips (a1) and Robert J. Walko (a2)

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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Low-Voltage Cathodoluminescent Properties of Europium-Activated Anion-Deficient Fluorites

  • Mark T. Anderson (a1), Mark L. F. Phillips (a1) and Robert J. Walko (a2)

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