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Proton-induced fluorescence properties of terbium gallium garnet

Published online by Cambridge University Press:  03 March 2011

W.A. Hollerman ,
J.H. Fisher ,
D. Ila ,
G.M. Jenkins  and
L.R. Holland
W.A. Hollerman
Affiliation:
Department of Physics, Alabama A&M University, Normal, Alabama 35762
J.H. Fisher
Affiliation:
Department of Physics, Alabama A&M University, Normal, Alabama 35762
D. Ila
Affiliation:
Department of Physics, Alabama A&M University, Normal, Alabama 35762
G.M. Jenkins
Affiliation:
Department of Physics, Alabama A&M University, Normal, Alabama 35762
L.R. Holland
Affiliation:
Department of Physics, Alabama A&M University, Normal, Alabama 35762
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Abstract

The authors completed a 3 MeV proton irradiation test on a terbium gallium garnet crystal sample. The main goal was to determine the proton dose required to reduce the fluorescence intensity to half its original value (half-brightness dose) at ambient temperature. The 3 MeV proton half-brightness dose was found to be 1.25 × 1015 p/cm2 using the Birks and Black relation. This decay is comparable to other fluors irradiated by the authors. The sample exhibited a yellow glow when irradiated in a 3 MeV beam. The fluorescence spectrum was composed of four peaks at wavelengths of 487.2 nm, 542.4 nm, 589.92 nm, and 624.1 nm.

Type
Rapid Communication
Information
Journal of Materials Research , Volume 10 , Issue 8 , August 1995 , pp. 1861 - 1863
Copyright
Copyright © Materials Research Society 1995

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References

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