Optical and scintillation properties of Pr3+-doped (La, Y)2Si2O7 single crystals

被引：0
|
作者：
Abe Y. [1 ,2 ]
Horiai T. [2 ,3 ]
Pejchal J. [4 ]
Yokota Y. [2 ,3 ]
Yoshino M. [2 ,3 ]
Murakami R. [2 ]
Hanada T. [2 ]
Yamaji A. [2 ,3 ]
Sato H. [2 ,3 ]
Ohashi Y. [2 ,3 ]
Kurosawa S. [2 ,3 ,5 ]
Kamada K. [2 ,3 ]
Yoshikawa A. [2 ,3 ]
Nikl M. [4 ]
机构：
[1] Department of Materials Science and Engineering, Graduate School of Engineering, Tohoku University, 6-6 Aramaki Aza Aoba, Aoba-ku, Miyagi, Sendai
[2] Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Miyagi, Sendai
[3] New Industry Creation Hatchery Center (NICHe), Tohoku University, 6-6-10 Aramaki Aza Aoba, Aoba-ku, Miyagi, Sendai
[4] Institute of Physics of the Czech Academy of Sciences, Cukrovarnicka 10, Prague
[5] Institute of Laser Engineering, Osaka University, 2-6 Yamadaoka, Osaka, Suita
来源：
Optical Materials: X | 2024年 / 22卷
基金：
日本学术振兴会;
关键词：
Micro-pulling-down method; Pyrosilicate; Scintillator; Single crystal;
D O I：
10.1016/j.omx.2024.100318
中图分类号：
学科分类号：
摘要：
Pr-doped scintillators are attracting attention because of their potential applications in medical devices. In this study, we focused on Pr-doped (La, Y)2Si2O7 scintillators to grow single crystals by the micro-pulling-down method and to evaluate their optical and scintillation properties. From the powder XRD results, the crystal structure and the space group were identified to be monoclinic and P21/n, respectively. The results of optical and scintillation characterization show that the luminescence from the Pr3+ 5d1–4f transition increases with increasing Pr3+ concentration. The maximum light yield was also obtained for the sample with the highest Pr3+ concentration. The Pr-doped (La, Y)2Si2O7 single crystal shows promising properties for application in radiation detection. © 2024 The Authors
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