The radiation induced color centers of the LaBr3:Ce crystal

被引：4

作者：

Li, Zhengguo ^{[1
]}

Bao, Hanbo ^{[1
]}

Ding, Yanguo ^{[1
]}

Shi, Hongsheng ^{[1
]}

Qin, Laishun ^{[1
]}

Shu, Kangyin ^{[1
]}

机构：

[1] China Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Zhejiang, Peoples R China

来源：

RADIATION MEASUREMENTS | 2014年 / 65卷

关键词：

Radiation induced color center; Recovery; Light output; Radiation damage; ENERGY-RESOLUTION; DAMAGE;

D O I：

10.1016/j.radmeas.2014.04.001

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：

This paper presents study of the gamma-rays induced radiation damage in the LaBr3:Ce crystal. The light output and transmittance are measured before and after gamma-rays irradiations with an integrated dose up to 10(6) rad for two LaBr3:Ce samples. After gamma-rays irradiation, LaBr3:Ce crystal shows very slow recovery process or has no recover under room temperature, indicating that the radiation damage in LaBr3:Ce crystal is not dose date dependent. Meanwhile, it's found that the radiation induced color centers are respectively peaked at the wavelength of 448 nm, 512 nm and 590 nm. Those color centers should be ascribed to the V-k, V-F and F center respectively. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：14 / 17

页数：4

共 11 条

[1] Charge carrier and exciton dynamics in LaBr3:Ce3+ scintillators: Experiment and model [J].

Bizarri, G. ;

Dorenbos, P. .

PHYSICAL REVIEW B, 2007, 75 (18)

[2] Gamma-ray induced radiation damage in LaBr3:5%Ce and LaCl3:10%Ce scintillators [J].

Drozdowski, W. ;

Dorenbos, P. ;

Bos, A. J. J. ;

Kraft, S. ;

Buis, E. J. ;

Maddox, E. ;

Owens, A. ;

Quarati, F. G. A. ;

Dathy, C. ;

Ouspenski, V. .

IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 2007, 54 (04) :1387-1391

[3] Effect of proton dose, crystal size, and cerium concentration on scintillation yield and energy resolution of LaBr3:Ce [J].

Drozdowski, W. ;

Dorenbos, P. ;

Bos, A. J. J. ;

de Haas, J. T. M. ;

Kraft, S. ;

Maddox, E. ;

Owens, A. ;

Quarati, F. G. A. ;

Dathy, C. ;

Ouspenski, V. .

IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 2007, 54 (03) :736-740

[4]

Drozdowski W., 2008, IEEE NUCL SCI C R, P2856, DOI [10.1109/j.35655, DOI 10.1109/J.35655]

[5] Gamma ray induced radiation damage in empty set 1 in x 1 in LaBr3:5%Ce [J].

Drozdowski, Winiciusz ;

Dorenbos, Pieter ;

Bos, Adrie J. J. ;

Owens, Alan ;

Quarati, Francesco G. A. .

RADIATION MEASUREMENTS, 2008, 43 (2-6) :497-501

[6] Resistance to γ irradiation of LaBr3:Ce and LaCl3:Ce single crystals [J].

Normand, S. ;

Iltis, A. ;

Bernard, F. ;

Domenech, T. ;

Delacour, P. .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2007, 572 (02) :754-759

[7] Assessment of the radiation tolerance of LaBr3:Ce scintillators to solar proton events [J].

Owens, Alan ;

Bos, A. J. J. ;

Brandenburg, S. ;

Buis, E. -J. ;

Dathy, C. ;

Dorenbos, P. ;

van Eijk, C. W. E. ;

Kraft, S. ;

Ostendorf, R. W. ;

Ouspenski, V. ;

Quarati, F. .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2007, 572 (02) :785-793

[8] The LaBr3:Ce Crystal Growth by Self-Seeding Bridgman Technique and Its Scintillation Properties [J].

Shi, Hongsheng ;

Qin, Laishun ;

Chai, Wenxiang ;

Guo, Jiayu ;

Wei, Qinhua ;

Ren, Guohao ;

Shu, Kangying .

CRYSTAL GROWTH & DESIGN, 2010, 10 (10) :4433-4436

[9] Scintillation properties of LaBr3:Ce3+ crystals:: fast, efficient and high-energy-resolution scintillators [J].

van Loef, EVD ;

Dorenbos, P ;

van Eijk, CWE ;

Krämer, KW ;

Güdel, HU .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2002, 486 (1-2) :254-258

[10] High-energy-resolution scintillator:: Ce3+ activated LaBr3 [J].

van Loef, EVD ;

Dorenbos, P ;

van Eijk, CWE ;

Krämer, K ;

Güdel, HU .

APPLIED PHYSICS LETTERS, 2001, 79 (10) :1573-1575

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