Ce3+-doped crystalline garnet films - scintillation characterization using α-particle excitation

被引：7

作者：

Mares, Jiri A. ^{[1
]}

Prusa, Petr ^{[1
,3
]}

Nikl, Martin ^{[1
]}

Nitsch, Karel ^{[1
]}

Beitlerova, Alena ^{[1
]}

Kucera, Miroslav ^{[2
]}

Hanus, Martin ^{[2
]}

Zorenko, Yurij ^{[4
]}

机构：

[1] Acad Sci Czech Republ, Inst Phys, Prague 16253 6, Czech Republic

[2] Charles Univ Prague, Fac Math & Phys, CR-12116 Prague 2, Czech Republic

[3] Czech Tech Univ, Fac Nucl Sci & Phys Engn, CR-11519 Prague 1, Czech Republic

[4] Ivan Franko Natl Univ Lviv, Dept Elect, Lab Optoelect Mat, Lvov, Ukraine

来源：

RADIATION MEASUREMENTS | 2010年 / 45卷 / 3-6期

关键词：

Ce3+-doped garnet films; Scintillation; alpha-particle excitation; CE; YAG; LUMINESCENCE; LUAG;

D O I：

10.1016/j.radmeas.2009.12.026

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

Scintillating properties of Ce3+-doped (Lu,Y) aluminum garnet single crystalline films (SCF) were investigated. Thin SCF films of thickness between 1 and 30 gm were grown by a liquid phase epitaxy (LPE) method in various fluxes. The alpha-particle excitation (mainly 5.4857 MeV line of Am-241) of pulse height spectra is used to measure scintillation response of SCF, especially peak of those alpha-rays which are totally absorbed in the films. Detailed studies and evaluation of scintillation measurements of large sets of Ce3+-doped SCF (Lu,Y) aluminum garnets showed that at present time (i) YAG:Ce SCF have comparable scintillation properties as YAG:Ce single crystals, especially their N-phels photoelectron yields are the same while (ii) scintillation properties of LuAG:Ce SCF do not reach those of LuAG:Ce single crystal. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：369 / 371

页数：3

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