Low temperature luminescence and scintillation characteristics of SrWO4 crystal

被引：14
|
作者：
Jiang, Hua [1 ]
Rooh, Gul [2 ,3 ]
Kim, H. J. [3 ]
Lee, J. M. [1 ]
Lee, Y. J. [1 ]
Zhang, Wansong [4 ]
Kim, Sunghwan [5 ]
机构：
[1] Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
[2] Abdul Wali Khan Univ, Dept Phys, Mardan 23200, Pakistan
[3] Kyungpook Natl Univ, Dept Phys, Taegu 702701, South Korea
[4] China Univ Petr, Coll Sci, Beijing 102249, Peoples R China
[5] Cheongju Univ, Dept Radiol Sci, Chongju 360764, South Korea
来源：
JOURNAL OF CRYSTAL GROWTH | 2015年 / 418卷
关键词：
Decay time; Light yield; Radioluminescence; Czochralski method; Laser; STIMULATED RAMAN-SCATTERING; TUNGSTATE CRYSTALS; THIN-FILMS; CA; SR; BA; PHOTOLUMINESCENCE; GROWTH; LASERS; PBMOO4;
D O I：
10.1016/j.jcrysgro.2014.09.052
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
We have successfully grown a SrWO4 single crystal using the Czochralski pulling method. X-ray diffraction (XRD) showed a single phase of the grown crystal. Luminescence spectrum under X-ray excitation of a bulk SrWO4 single crystal showed a broad emission band from 300 to 700 nm at room temperature. The decay time spectrum contained two components of 2.6 ns (5.7%) and 522 ns (94.3%) at room temperature. A change in the light yield and decay time is observed between 10 and 300 K. The luminescence yield of SrWO4 at 125 K is found to be 8 times higher than at room temperature. The decay time gets longer by a factor of 51 as the temperature decreases clown to 10 K. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：163 / 166
页数：4
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