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Growth and Characteristics of Gd2SiO5 Crystal Doped Ce3+
- Issue Date
- Jun-2008
- Publisher
- Atomic Energy Society of Japan/Nihon Genshiroku Gakkai
- Keywords
- GSO; inorganic scintillator; absorption; emission; pulse height spectrum
- Citation
- Journal of Nuclear Science and Technology, pp 572 - 574
- Pages
- 3
- Indexed
- SCIE
SCOPUS
- Journal Title
- Journal of Nuclear Science and Technology
- Start Page
- 572
- End Page
- 574
- ISSN
- 0022-3131
1881-1248
- Abstract
- Gadolinium oxyorthsilicate doped with cerium, Gd2SiO5:Ce (GSO:Ce), is a scintillator crystal discovered in 1983, which has excellent properties, high light yield, fast decay time, and good radiation hardness. The Gd2SiO5 (GSO) and GSO:Ce (0.5 mole%) single crystals were grown by Czochralski method under argon atmosphere. After the growth, thermal treatment of the GSO crystals was carried out at 1780K for 3 hours under argon atmosphere. The maximum wavelength of the emission spectrum of the GSO:Ce scintillator was 430 nm. The energy resolution of the GSO:Ce scintillator was 9.1 % with PMT, when it was exposed to (CS)-C-137 gamma-ray. The luminescence decay time of the GSO:Ce scintillator has two exponential components with 68.7 ns and 754 ns time constant.
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Related Researcher
- Kim, Yong Kyun
- COLLEGE OF ENGINEERING (DEPARTMENT OF NUCLEAR ENGINEERING)