X-ray detector based on Mn doped MgAl2O4 and Si photodiode

被引：9
|
作者：
Katsumata, Toru [1 ]
Takeuchi, Haruna [1 ]
Komuro, Shuji [1 ]
Aizawa, Hiroaki [1 ]
机构：
[1] Toyo Univ, Fac Sci & Engn, 2100 Kujirai, Kawagoe, Saitama 3508585, Japan
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2018年 / 89卷 / 09期
关键词：
EXCITED OPTICAL LUMINESCENCE; SPINEL CRYSTALS; PHOTOLUMINESCENCE;
D O I：
10.1063/1.5033504
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Luminescence properties of Mn doped MgAl(2)O(4 )crystals connected with the Si PIN photodiode (PD) have been evaluated for X-ray detector applications. Mn doped MgAl(2)O(4 )crystals emit green colored luminescence peaking at around lambda = 520 nm with CuK alpha irradiation. The intensity of the output signal from Si PD increases linearly with the X-ray intensity of CuK alpha generated with the X-ray tube at a current from 2 mA to 40 mA. The intensity of the X-ray excited luminescence is strongest in the specimen with 3.0 mol. % Mn. Afterglow luminescence is weak in the specimen with 2.0 mol. % Mn. Mn doped MgAl2O4 crystals connected with the Si PD is considered to be a useful X-ray detector. Published by AIP Publishing.
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页数：4
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