Title :
Properties of new mixed Lux(RE3+)1-x AlO3:Ce scintillators (RE3+=Y3+ or Gd3+) compared with other Ce-doped or intrinsic scintillation crystals
Author :
Mares, J.A. ; Nikl, M. ; Chval, J. ; Mihokova, E. ; Giba, J. ; Nejezchleb, K. ; Clement, D. ; Loude, J.-F. ; Morel, C.
Author_Institution :
Inst. of Phys., Czechoslovak Acad. of Sci., Prague, Czech Republic
Abstract :
This paper presents the development of new Ce-doped, fast and high effective-Z mixed Lux(RE3+)1-xAlO3 crystals. The crystals were grown by the Czochralski method and good results were obtained with x=0.1, 0.2 and 0.3 for Y3+ ions and roughly between x=0.6 and 0.7 for Gd3+ ions. Relative light yields measured for the Lux(RE3+) 1-xAlO3:Ce crystals were 40% to 75% bigger than the BGO light yield and were comparable to the light yield of YAP:Ce. Measured energy resolutions at 662 keV ranged over 8% to 15.3% fwhm and were close to the energy resolution obtained with a YAP:Ce crystal
Keywords :
cerium; crystal growth from melt; lutetium compounds; scintillation; solid scintillation detectors; BGO light yield; Czochralski method; LuxGd1-x3+AlO3:Ce; LuxY1-x3+ AlO3:Ce scintillators; LuGdAlO3:Ce; LuYAlO3:Ce; YAP:Ce crystal; energy resolution; intrinsic scintillation crystals; relative light yields; Artificial intelligence; Cameras; Crystalline materials; Crystals; Distortion measurement; Energy measurement; Energy resolution; Garnets; Luminescence; Positron emission tomography;
Conference_Titel :
Nuclear Science Symposium, 1998. Conference Record. 1998 IEEE
Conference_Location :
Toronto, Ont.
Print_ISBN :
0-7803-5021-9
DOI :
10.1109/NSSMIC.1998.775198
