Improvement of γ-ray energy resolution of LaBr3:Ce3+ scintillation detectors by Sr2+ and Ca2+ co-doping
| Data(s) |
26/04/2013
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|---|---|
| Resumo |
Commercially available LaBr3:5% Ce3+ scintillators show with photomultiplier tube readout about 2.7% energy resolution for the detection of 662 keV γ-rays. Here we will show that by co-doping LaBr3:Ce3+ with Sr2+ or Ca2+ the resolution is improved to 2.0%. Such an improvement is attributed to a strong reduction of the scintillation light losses that are due to radiationless recombination of free electrons and holes during the earliest stages (1–10 ps) inside the high free charge carrier density parts of the ionization track. |
| Formato |
application/pdf |
| Identificador |
http://boris.unibe.ch/39107/1/1.4803440.pdf Alekhin, M. S.; de Haas, J. T. M.; Khodyuk, I. V.; Krämer, Karl W.; Menge, P. R.; Ouspenski, V.; Dorenbos, P. (2013). Improvement of γ-ray energy resolution of LaBr3:Ce3+ scintillation detectors by Sr2+ and Ca2+ co-doping. Applied physics letters, 102(16), pp. 161915-1. Melville, N.Y.: American Institute of Physics 10.1063/1.4803440 <http://dx.doi.org/10.1063/1.4803440> doi:10.7892/boris.39107 info:doi:10.1063/1.4803440 urn:issn:0003-6951 |
| Idioma(s) |
eng |
| Publicador |
American Institute of Physics |
| Relação |
http://boris.unibe.ch/39107/ |
| Direitos |
info:eu-repo/semantics/openAccess |
| Fonte |
Alekhin, M. S.; de Haas, J. T. M.; Khodyuk, I. V.; Krämer, Karl W.; Menge, P. R.; Ouspenski, V.; Dorenbos, P. (2013). Improvement of γ-ray energy resolution of LaBr3:Ce3+ scintillation detectors by Sr2+ and Ca2+ co-doping. Applied physics letters, 102(16), pp. 161915-1. Melville, N.Y.: American Institute of Physics 10.1063/1.4803440 <http://dx.doi.org/10.1063/1.4803440> |
| Palavras-Chave | #530 Physics #540 Chemistry |
| Tipo |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion PeerReviewed |
