Title :
Scintillation light trapping and radiation damage in CeF3
Author :
Wojtowicz, A.J. ; Balcerzyk, M. ; Wisniewski, D. ; Lempicki, A. ; Woody, C.L. ; Levy, P.W. ; Kierstead, J.A. ; Stoll, S.
Author_Institution :
Dept. of Chem., Boston Univ., MA, USA
fDate :
8/1/1994 12:00:00 AM
Abstract :
We review solved and some remaining problems in the development of the CeF3 scintillator. CeF3 emerges as a dense (6.16 g/cc), fast (23 ns), and reasonably efficient (2400 photons/MeV) material with potential applications in high energy and nuclear physics experiments. Despite significant progress in technology the level of uncontrolled impurities and defects in present crystals is still too high, posing problems like scintillation light trapping and radiation damage. We speculate about the possibility of electron self-trapping and nonradiative recombination at Ce sites leading to a limited light output and intrinsic radiation hardness of CeF3
Keywords :
cerium compounds; photoluminescence; radiation effects; scintillation; scintillation counters; CeF3; CeF3 scintillator; defects; electron self-trapping; impurities; nonradiative recombination; radiation damage; scintillation light trapping; Absorption; Cerium; Chemistry; Crystalline materials; Impurities; Laboratories; Nuclear physics; Photoluminescence; Photonic crystals; Positron emission tomography;
Journal_Title :
Nuclear Science, IEEE Transactions on
