Vacuum ultraviolet-ultraviolet and x-ray excited luminescence properties of Ba3Gd(BO3)3:Ce3+

Journal article (2007)
Department
Radiation, Radionuclides and Reactors (AS) (TU Delft)
Copyright: © 2007 The Author(s); American Institute of Physics
DOI: https://doi.org/doi:10.1063/1.2743826
Photons Cerium Photoluminescence Barium compounds Phosphors Visible spectra High-temperature effects Gadolinium compounds Ultraviolet spectra X-ray spectra Radiative lifetimes
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Published Date

13-06-2007

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Source:

Journal of Applied Physics, 101 (11), 2007

ISSN:

0021-8979

Source:

http://link.aip.org/link/JAPIAU/v101/i11/p113530/s1

Faculty

Applied Sciences

Department

Radiation, Radionuclides and Reactors

Abstract

The phosphors Ba3Gd(BO3)3:Ce3+ were prepared by a solid-state reaction technique at high temperature. The vacuum ultraviolet-ultraviolet and visible spectroscopic properties of the phosphors together with decay time curves are investigated and discussed. The spectroscopic properties are explained by occupancy of Ce3+ at two different Gd sites in the host lattice. The x-ray excited emission spectra of Ba3Gd(BO3)3:Ce3+ were studied and the number of photons emitted per unit of absorbed x-ray energy was calculated. The yield is rather poor and Ba3Gd(BO3)3:Ce3+ appears not a suitable x-ray phosphor.

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