Photoluminescence and scintillation properties of Pr-doped (Lu, Y)2Si2O7 crystals

被引：0

作者：

Okazaki, Kai ^{[1
]}

Nakauchi, Daisuke ^{[1
]}

Kantuptim, Prom ^{[1
]}

Kato, Takumi ^{[1
]}

Kawaguchi, Noriaki ^{[1
]}

Yanagida, Takayuki ^{[1
]}

机构：

[1] Nara Inst Sci & Technol NAIST, Div Mat Sci, 8916-5 Takayama Cho, Ikoma, Nara 6300192, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2024年 / 63卷 / 01期

基金：

日本学术振兴会;

关键词：

radiation measurement; scintillator; luminescence; 5d-4f transitions; RADIATION HARDNESS; EFFICIENCY; SYSTEMS;

D O I：

10.35848/1347-4065/acefdb

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Pr-doped (Lu1-x, Y-x)(2)Si2O7 (x = 0.25, 0.5, and 0.75) crystals were synthesized by the floating zone method. Emission peaks due to 5d-4f transitions of Pr3+ were observed at 300 nm under excitation of both UV light and X-rays. Scintillation decay times of 19-22 ns were obtained, and they originated from the 5d-4f transitions of Pr3+. Afterglow levels became high from 64.7 to 541 ppm as the Y-admixed concentration increased. The light yields were estimated to be 560-700 photons MeV-1 by comparing the channels of photoabsorption peaks from the pulse height spectra of Cs-137 gamma-rays measured using prepared crystals and commercial Gd2SiO5 reference. (c) 2023 The Japan Society of Applied Physics

引用

页数：5

共 53 条

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