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Patton G, Moretti F, Belsky A, et al. Light yield sensitization by X-ray irradiation of the BaAl4O7:Eu(2+)ceramic scintillator obtained by full crystallization of glass. Phys Chem Chem Phys. 2014;16(45):24824-9doi: 10.1039/c4cp04064c.
Patton, G., Moretti, F., Belsky, A., Al Saghir, K., Chenu, S., Matzen, G., Allix, M., & Dujardin, C. (2014). Light yield sensitization by X-ray irradiation of the BaAl4O7:Eu(2+)ceramic scintillator obtained by full crystallization of glass. Physical chemistry chemical physics : PCCP, 16(45), 24824-9. https://doi.org/10.1039/c4cp04064c
Patton, Gaël, et al. "Light yield sensitization by X-ray irradiation of the BaAl4O7:Eu(2+)ceramic scintillator obtained by full crystallization of glass." Physical chemistry chemical physics : PCCP vol. 16,45 (2014): 24824-9. doi: https://doi.org/10.1039/c4cp04064c
Patton G, Moretti F, Belsky A, Al Saghir K, Chenu S, Matzen G, Allix M, Dujardin C. Light yield sensitization by X-ray irradiation of the BaAl4O7:Eu(2+)ceramic scintillator obtained by full crystallization of glass. Phys Chem Chem Phys. 2014 Dec 07;16(45):24824-9. doi: 10.1039/c4cp04064c. PMID: 25319509.
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Phys Chem Chem Phys. 2014 Dec 07;16(45):24824-9. doi: 10.1039/c4cp04064c.

Light yield sensitization by X-ray irradiation of the BaAl4O7:Eu(2+)ceramic scintillator obtained by full crystallization of glass.

Physical chemistry chemical physics : PCCP

Gaël Patton, Federico Moretti, Andrei Belsky, Kholoud Al Saghir, Sébastien Chenu, Guy Matzen, Mathieu Allix, Christophe Dujardin

Affiliations

  1. Institut Lumière Matiére, UMR5306, Université Claude Bernard Lyon1-CNRS, bâtiment Kastler, 10 rue Ada Byron 69622 Villeurbanne Cedex, France. [email protected].

PMID: 25319509 DOI: 10.1039/c4cp04064c

Abstract

We report the scintillation properties of BaAl4O7:Eu(2+), a transparent polycrystalline ceramic prepared by full and congruent crystallization of glass. We show that a small deviation from the stoichiometric composition as well as thermal treatment duration play a crucial role in the formation of charge carrier traps, leading to a strong influence on the scintillation yield. We demonstrate that when the traps are not entirely removed, X-ray irradiation allows them to be permanently filled in order to significantly enhance the scintillation output. Finally, the best sample obtained demonstrates performances able to compete with a commercially available scintillating material, CsI:Tl.

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