Radio-photoluminescence phenomenon in Ag-doped Cs2O-CaO-Al2O3-P2O5 glasses

被引：1

作者：

Nishikawa, Akihiro ^{[1
]}

Shiratori, Daiki ^{[1
]}

Kato, Takumi ^{[1
]}

Nakauchi, Daisuke ^{[1
]}

Kawaguchi, Noriaki ^{[1
]}

Yanagida, Takayuki ^{[1
]}

机构：

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

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2023年 / 62卷 / 04期

关键词：

radiation measurement; ionizing radiation; dosimeter; radio-photoluminescence; RADIOPHOTOLUMINESCENCE PROPERTIES; STIMULATED LUMINESCENCE; STORAGE PHOSPHOR; BAFBR-EU2+; SILVER; CERAMICS; CENTERS;

D O I：

10.35848/1347-4065/acc372

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this study, Ag2O-Cs2O-CaO-Al2O3-P2O5 glasses with different Ag concentrations (0, 0.1, 0.3, 1.0, and 3.0 mol.%) were made by the melt-quenching method. The photoluminescence (PL) properties, the radio-photoluminescence (RPL) phenomenon, and the spatial resolution of X-ray imaging based on RPL were studied to aim for the X-ray imaging application. The RPL phenomenon was observed as an appearance of a new PL emission at around 620 nm after X-ray irradiation. According to the shape of the PL spectrum and lifetime (13.1-16.7 ns), the luminescence was confirmed to be due to Ag2+. In addition, the 3.0% Ag-doped sample had the highest emission intensity of Ag2+. From the X-ray imaging resolution test, the 3.0% Ag-doped sample showed a spatial resolution of at least 10.0 LP mm(-1). (c) 2023 The Japan Society of Applied Physics

引用

页数：7

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