期刊
IEEE TRANSACTIONS ON NUCLEAR SCIENCE
卷 57, 期 3, 页码 1335-1342出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNS.2009.2037150
关键词
Ce3+; garnet and perovskite compounds; La3+ and Sc3+ dopants; liquid phase epitaxy method; Pr3+; single crystalline film scintillators; UV luminescence
The work is dedicated to the development of new types of UV-emitting scintillators based on single crystalline films (SCF) of aluminum perovskites and garnets grown by the liquid phase epitaxy method. The peculiarities of growth and properties of the following three types of UV SCF scintillators are considered in this work: i) Ce-doped SCF of Y-Lu-Al-perovskites with the Ce3+ emission in the 360-370 nm range of the decay time of 16-17 ns; ii) Pr-doped SCF of Y-Lu-Al garnets with the Pr3+ emission in the 300-400 nm range of the decay time of 13-17 ns; iii) La3+ or Sc3+ doped SCF of Y-Lu-Al-garnets, emitting in the 290-400 nm range due to formation of the La-Y,La-Lu, Sc-Y,Sc-Lu and Sc-A1 centers with decay time of the order of hundreds of nanoseconds. Preliminary test of these SCFs scintillators for visualization of X-ray images at European Synchrotrons Radiation Facility are presented as well.
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