Development of New Composite Scintillation Materials Based on Organic Crystalline Grains

Galunov, N.Z.; Grinyov, B.; Karavaeva, N.L.; Kim, Jong Kyung; Kim, Yong Kyun; Tarasenko, О.А.; Martynenko, E.V.

doi:10.1109/tns.2009.2015761

Cited by 33 publications

(26 citation statements)

References 7 publications

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“…To prepare a composite material it is necessary to introduce the grains of a single crystal into a polymer matrix [2]. We mechanically ground single crystals Ce:GSO or Ce:GPS to obtain their grains.…”

Section: Methodsmentioning

confidence: 99%

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Gd-bearing composite scintillators as the new thermal neutron detectors

Galunov

Grinyov

Karavaeva

et al. 2009

2009 IEEE Nuclear Science Symposium Conference Record (NSS/MIC)

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The technology that was designed for organic composite scintillators as detectors of fast neutrons and alpha particles is applied to develop new composite inorganic detector of thermal neutrons. The composite scintillators on the base of Ce:Gd 2 SiO 5 and Ce:Gd 2 Si 2 O 7 grains were studied. The results of the measurements obtained for single crystals and composite scintillators are compared and discussed.

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Section: Methodsmentioning

confidence: 99%

“…It was organic polycrystalline and composite scintillators obtained from grains of stilbene (C 14 H 12 ) and p-terphenyl (C 18 H 14 ) crystals. The composite scintillators have no technological limitation on the area of the input window [2].…”

Section: Introductionmentioning

confidence: 99%

Gd-bearing composite scintillators as the new thermal neutron detectors

Galunov

Grinyov

Karavaeva

et al. 2009

2009 IEEE Nuclear Science Symposium Conference Record (NSS/MIC)

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“…Then, this organic composition was put in a light-guide housing and kept in a dark place with pressure on top until the Sylgard-527 optical glue was polymerized. To improve the light collection efficiency of the composite stilbene scintillators, they were coated with a reflective material (Tetratek, UK) [8]; and to block ambient light, they were housed in a light-tight aluminum case. The fabricated composite stilbene scintillators, with dimensions of 50 mm (D) × 12 mm (H) and 200 mm (D) × 20 mm (H), respectively, are shown in Figure 1.…”

Section: Composite Stilbene Scintillatorsmentioning

confidence: 99%

“…and FWHM(n) and FWHM(γ ) are full width at half maximum of the neutron peak and that of the gamma peak, respectively [8]. The distance between the neutron and gamma peaks and the width of each peak increased as their light output increased.…”

Section: Psd Performance Of the Small Composite Stilbene Scintillatormentioning

confidence: 99%

“…Thus, pure organic scintillators could be good options for fast neutron detection with their favorable characteristics, i.e., their high light yield and n-γ separation capability; however, it is difficult to obtain a large scintillator using the modern technique of crystal growth [7]. In previous studies [7,8], a novel type of fast neutron detectors that is based on the grains of the stilbene single crystal with an optically transparent organosilicone glue was proposed and developed through the joint R&D program between Ukraine and S.K. Lee et al…”

Section: Introductionmentioning

confidence: 99%

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Development of large-area composite stilbene scintillator for fast neutron detection

Lee

Son

et al. 2013

Journal of Nuclear Science and Technology

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Fast neutron applications have gained popularity with the growth of fast neutron production facilities. Covering a larger area and/or wider angle can be one of the advantages of a fast neutron detector. In the present study, a large-area composite stilbene scintillator with the dimensions of 200 mm (D) × 20 mm (H) was fabricated to examine its scintillation properties and to evaluate its applicability to fast neutron detection. The detector response of small-and large-area composite stilbene scintillators for neutrons and gamma rays was measured and compared with that of commercial and small single-crystal stilbene scintillators. To this end, the response of each scintillator was measured for radioisotopes as well as mono-energetic neutrons generated by a Tandem accelerator. The neutron-gamma separation performance of the largearea composite stilbene scintillator was evaluated in terms of figure-of-merit (FoM) using the digital pulse shape discrimination method. The composite stilbene scintillator showed good energy linearity, as determined from its recoil proton spectra, with reasonable n-γ separation capability. The results indicated that the composite stilbene scintillator could be applied to the field of fast neutron detection, especially when a large area and/or a wide angle is to be covered and could be a good alternative to liquid scintillators.

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Current Status on Plastic Scintillators Modifications

Bertrand

Hamel

Sguerra

2014

Chemistry A European J

118

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Recent developments of plastic scintillators are reviewed, from 2000 to March 2014, distributed in two different chapters. First chapter deals with the chemical modifications of the polymer backbone, whereas modifications of the fluorescent probe are presented in the second chapter. All examples are provided with the scope of detection of various radiation particles. The main characteristics of these newly created scintillators and their detection properties are given.

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Development of New Composite Scintillation Materials Based on Organic Crystalline Grains

Cited by 33 publications

References 7 publications

Gd-bearing composite scintillators as the new thermal neutron detectors

Gd-bearing composite scintillators as the new thermal neutron detectors

Development of large-area composite stilbene scintillator for fast neutron detection

Current Status on Plastic Scintillators Modifications

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