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Effect of Mg-, Zr-, and Ta-doping on scintillation properties of Gd/sub 2/SiO/sub 5/:Ce crystal

2003; Institute of Electrical and Electronics Engineers; Volume: 50; Issue: 4 Linguagem: Inglês

10.1109/tns.2003.815149

ISSN

1558-1578

Autores

S. Shimizu, K. Sumiya, Hiroyuki Ishibashi, N. Senguttvan, B. S. Red’kin, M. Ishii, Makoto Kobayashi, K. Susa, Hideo Murayama,

Tópico(s)

Luminescence Properties of Advanced Materials

Resumo

We developed Mg-, Zr-, and Ta-doped GSO:Ce scintillator materials to improve scintillation properties for medical imaging scanners such as a positron emission tomograph (PET). The crystals of (Mg, Zr or Ta)/sub y/ -doped Gd/sub 2-x/SiO/sub 5/:Ce/sub x/ (x=0.5, y=0.0002%/spl sim/0.031%) were grown. The scintillation decay curve, rise time, light output, and optical transmittance of these crystals were measured. Improvement of optical transparency was found for GSO:Ce, Zr.

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