Scintillation Characteristics of : (Ce 2.5-30 mol%) Single Crystals Prepared by the Floating Zone Method

Scintillation Characteristics of : (Ce 2.5-30 mol%) Single Crystals Prepared by the Floating Zone Method

Cerium-doped gadolinium pyrosilicate single crystals Ce:Gd 2 Si 2 O 7 (Ce:GPS) with various Ce concentrations of 2.5-30 mol% with respect to the total rare-earth sites were prepared by the floating zone method. Their scintillation performances were investigated under irradiation of gamma rays of 137...

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Veröffentlicht in:IEEE transactions on nuclear science 2009-02, Vol.56 (1), p.328-330
Hauptverfasser: Kawamura, S., Kaneko, J.H., Higuchi, M., Haruna, J., Saeki, S., Fujita, F., Homma, A., Nishiyama, S., Ueda, S., Kurashige, K., Ishibashi, H., Furusaka, M.
Format: Artikel
Sprache:eng
Schlagworte:
Crystal growth
Crystals
Energy resolution
gadolinium compounds
Gamma rays
Global Positioning System
Instruments
Luminescence
neutron detectors
Neutrons
Powders
Radiation detectors
scintillators
X-ray diffraction
{\rm Gd}_{2}{\rm Si}_{2}{\rm O}_{7}
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Zusammenfassung:Cerium-doped gadolinium pyrosilicate single crystals Ce:Gd 2 Si 2 O 7 (Ce:GPS) with various Ce concentrations of 2.5-30 mol% with respect to the total rare-earth sites were prepared by the floating zone method. Their scintillation performances were investigated under irradiation of gamma rays of 137 Cs. The Ce concentration dependence of scintillation characteristics and high-performance scintillation characteristics were obtained: 3-6 times greater light output than that of BGO single crystals, rapid decay, and good energy resolutions of 5.1-8.4%. Furthermore, X-ray diffraction patterns of Ce:GPS revealed Ce concentration dependence of the crystal structure of Ce:GPS.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.2008.2010043