27 September 2011 Performance of europium-doped strontium iodide, transparent ceramics and bismuth-loaded polymer scintillators
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Abstract
Recently discovered scintillators for gamma ray spectroscopy - single-crystal SrI2(Eu), GYGAG(Ce) transparent ceramic and Bismuth-loaded plastics - offer resolution and fabrication advantages compared to commercial scintillators, such as NaI(Tl) and standard PVT plastic. Energy resolution at 662 keV of 2.7% is obtained with SrI2(Eu), while 4.5% is obtained with GYGAG(Ce). A new transparent ceramic scintillator for radiographic imaging systems, GLO(Eu), offers high light yield of 70,000 Photons/MeV, high stopping, and low radiation damage. Implementation of single-crystal SrI2(Eu), Gd-based transparent ceramics, and Bi-loaded plastic scintillators can advance the state-of-the art in ionizing radiation detection systems.
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N. J. Cherepy, S. A. Payne, B. W. Sturm, S. P. O'Neal, Z. M. Seeley, O. B. Drury, L. K. Haselhorst, B. L. Rupert, R. D. Sanner, P. A. Thelin, S. E. Fisher, R. Hawrami, K. S. Shah, A. Burger, J. O. Ramey, L. A. Boatner, "Performance of europium-doped strontium iodide, transparent ceramics and bismuth-loaded polymer scintillators", Proc. SPIE 8142, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIII, 81420W (27 September 2011); doi: 10.1117/12.896656; https://doi.org/10.1117/12.896656
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