2014
DOI: 10.1364/ao.53.000d21
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Composition optimization of scintillating rare-earth nanocrystals in oxide glass–ceramics for radiation spectroscopy

Abstract: Glass-ceramic nanocomposites comprising GdBr₃/CeBr₃ loaded sodium-aluminosilicate glasses in which scintillating crystallites are precipitated in situ from a host glass matrix were studied. This materials system shows promise as an alternative to single-crystal scintillators, with potential to be fabricated into a wide variety of sizes, shapes, and compositions. Batch compositions containing 15-18 mol. % GdBr₃ and 3-4 mol. % CeBr₃ were prepared and analyzed for photoluminescent light yield. Light yield peaked … Show more

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Cited by 14 publications
(4 citation statements)
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“…Moreover, CeBr 3 s rapid response, negligible afterglow, above-average density and effective atomic number verdict that such crystals should be considered for use in CT detectors or planar arrays for projection imaging. Incorporation in glass matrix for the engineering of structured scintillators has been reported [35,36], as well as pixelated arrays of this material [37].…”
Section: Discussionmentioning
confidence: 99%
“…Moreover, CeBr 3 s rapid response, negligible afterglow, above-average density and effective atomic number verdict that such crystals should be considered for use in CT detectors or planar arrays for projection imaging. Incorporation in glass matrix for the engineering of structured scintillators has been reported [35,36], as well as pixelated arrays of this material [37].…”
Section: Discussionmentioning
confidence: 99%
“…Compared with oxide crystals, halide matrixes are advantageous for improving radiation transition probability due to their low phonon nature. To date, a wide range of halide crystals has been successfully incorporated in glass matrix, including but not limited to CaF 2 , [ 47 ] SrF 2 , [ 48 ] LaF 3 , [ 49 ] GdF 3 , [ 50 ] CeBr 3 , [ 51 ] GdBr 3 , [ 51 ] KLu 2 F 7 , [ 52 ] and BaLuF 5 . [ 53 ] As the examples, transparent structured scintillators precipitated with BaGdF 5: Tb 3+ and SrGdF 7: Tb 3+ were demonstrated by Guo and co‐workers.…”
Section: Particle‐derived Structured Scintillatorsmentioning
confidence: 99%
“…The advancements in optical system measurements is a common theme among the papers. Measurements include ultra-short laser pulses, atmospheric aerosols, and field of view losses in bathymetric lidar [2][3][4][5][6][7][8].…”
mentioning
confidence: 99%
“…Three papers centered on measurement address distinctive problems for various applications. Along the lines of measurements of isotope identification, developments of new scintillator material combined with spectroscopy are presented for use in the radiation scanners for increased throughput as compared with current techniques [3]. The other papers present simulations and models of imaging systems with partially coherent light and phase reconstruction techniques, or through multiple optical axis pattern integrated inference exposure systems [4].…”
mentioning
confidence: 99%