Scintillation Properties of Praseodymium Activated Lu3Al5O12 Single Crystals

被引：111

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

页码：2420 / 2424

页数：5

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