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Scintillation Properties of Praseodymium Activated Lu3Al5O12 Single Crystals

被引：110
|
作者：
Drozdowski, Winicjusz [1 ]
Dorenbos, Pieter [1 ]
de Haas, Johan T. M. [1 ]
Drozdowska, Renata [1 ]
Owens, Alan [2 ]
Kamada, Kei [3 ]
Tsutsumi, Kousuke [3 ]
Usuki, Yoshiyuki [3 ]
Yanagida, Takayuki [4 ]
Yoshikawa, Akira [4 ]
机构：
[1] Delft Univ Technol, Fac Sci Appl, NL-2629 JB Delft, Netherlands
[2] European Space Agcy, ESTEC SCI A, NL-2201 AZ Noordwijk, Netherlands
[3] Furukawa Co Ltd, Mat Res Lab, Tsukuba, Ibaraki 3050856, Japan
[4] Tokohu Univ, Inst Multidisciplinary Res Adv Mat, Aoba Ku, Sendai, Miyagi 9808577, Japan
来源：
IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 2008年 / 55卷 / 04期
关键词：
Energy resolution; LuAG; praseodymium; scintillation yield; scintillator;
D O I：
10.1109/TNS.2008.2000845
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Scintillation properties of LuAG:Pr grown by Furukawa Co. Ltd., Japan, have been studied. The best crystals display light outputs up to 19000 ph/MeV and an energy resolution of 4.6% at 662 keV. The scintillation yield is found to be a function of size and temperature of the sample; it can be enhanced by 40% upon heating to 450 K. Radioluminescence spectra show both d-f and f-f transitions of Pr3+ ions; the contribution of the latter increases with temperature. The scintillation decays are complex, with a fast decay constant of 20 ns. The presence of Lu-176 induces high background activity.
引用
收藏
页码：2420 / 2424
页数：5
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