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Effect of Mg-, Zr-, and Ta-doping on scintillation properties of Gd2SiO5:Ce crystal

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9 Author(s)
S. Shimizu ; Dept. of Phys., Rikkyo Univ., Tokyo, Japan ; K. Sumiya ; H. Ishibashi ; N. Senguttvan
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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)y -doped Gd2-xSiO5:Cex (x=0.5, y=0.0002%∼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.

Published in:

IEEE Transactions on Nuclear Science  (Volume:50 ,  Issue: 4 )