期刊
RADIATION MEASUREMENTS
卷 45, 期 3-6, 页码 457-460出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.radmeas.2010.01.033
关键词
Pr3+:Lu3Al5O12; Transparent ceramics; Scintillator
0.5at% Pr:LuAG transparent ceramics was fabricated by a solid state reaction method. The transmission of the ceramics beyond 310 nm reaches to around 75%. When excited by ultraviolet (UV) and vacuum ultraviolet (VUV) light, the domain emission near 309 nm was observed which was due to the 5d-4f radiative transition of Pr3+. Its photoluminescence decay time is about 19 ns. VUV excitation and emission spectrum at 14 K and 289 K respectively reveal the existence of defects and other centers, which are sensitive to temperature and anneal process. (C) 2010 Elsevier Ltd. All rights reserved.
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