NDLI: Zr Doped GSO:Ce Single Crystals and Their Scintillation Performance

Content Provider	IEEE Xplore Digital Library
Author	Shimura, N. Kamada, M. Gunji, A. Yamana, S. Usui, T. Kurashige, K. Ishibashi, H. Senguttuvan, N. Shimizu, S. Sumiya, K. Murayama, H.
Copyright Year	1963
Abstract	Cerium doped Gd₂SiO₅ (GSO:Ce) single crystal is used as a scintillator for positron emission tomography (PET). GSO:Ce has a good balance of every scintillation properties, but the only disadvantage is the decreasing light output by coloring caused by a small amount of Ce⁴⁺ in the crystal especially at higher concentration of Ce. In order to improve the scintillation performance, we have tried to grow co-doped GSO:Ce single crystal using conventional starting materials with additional impurities, and evaluate the scintillation performance. Zr doping is found to be effective in preventing coloring and in improving light output. Around 200 ppm Zr doped GSO:Ce have shown maximum light output which is about 20% larger than that of conventional GSO:Ce. This improvement can be explained by the fact that the amount of Ce⁴⁺ in the crystal might be changed to Ce³⁺ due to charge compensation caused by dopant Zr⁴⁺ in a Gd³⁺ site thereby decreasing the light absorption in the crystal
Sponsorship	IEEE Nuclear and Plasma Sciences Society Computer Applications in Nuclear and Plasma Sciences (CANPS) Lawrence Berkeley Lab. Lawrence Livermore Nat. Lab. APS College of William and Mary Continuous Electron Beam Accelerator Facility NASA Defence Nuclear Agency Sandia National Laboratories Jet Propulsion Laboratory Brookhaven Nat. Lab. Lawrence Livermore Nat. Lab IEEE/NPPS Radiat. Effects Committee Defence Nuclear Agency/DoD Sandia National Laboratories/DOE Jet Propulsion Laboratory/NASA Phillips Lab./DoD
Starting Page	2519
Ending Page	2522
Page Count	4
File Size	360641
File Format	PDF
ISSN	00189499
Volume Number	53
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Zirconium Crystals Positron emission tomography Crystalline materials Doping Energy resolution Research and development Chemicals Raw materials Nitrogen scintillation detectors Crystal growth gadolinium compounds positron emission tomography
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Electrical and Electronic Engineering Nuclear Energy and Engineering

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