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

Published online by Cambridge University Press:  21 February 2011

Mark T. Anderson ,
Mark L. F. Phillips  and
Robert J. Walko
Mark T. Anderson
Affiliation:
Ceramic Synthesis and Inorganic Chemistry Department, and Sandia National Laboratories, Albuquerque, NM 87185-5800.
Mark L. F. Phillips
Affiliation:
Ceramic Synthesis and Inorganic Chemistry Department, and Sandia National Laboratories, Albuquerque, NM 87185-5800.
Robert J. Walko
Affiliation:
Optoelectronics Characterization and Sensor Development Department, Sandia National Laboratories, Albuquerque, NM 87185-5800.
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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.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 348 , 1994 , 497
Copyright
Copyright © Materials Research Society 1994

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