npsm 새물리 New Physics : Sae Mulli

pISSN 0374-4914 eISSN 2289-0041
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Article

Research Paper

New Phys.: Sae Mulli 2019; 69: 714-717

Published online July 31, 2019 https://doi.org/10.3938/NPSM.69.714

Copyright © New Physics: Sae Mulli.

Radio-Photoluminescence of Silver-Doped Phosphate Glass

Pabitra Aryal1, HongJoo KIM1, Sudipta SAHA1, Jin JEGAL1, Quoc Vuong PHAN1, SangJun KANG2*

1Department of Physics, Kyungpook National University, Daegu 41566, Korea

2Collage of Liberal Arts, Semyung University, Jechon 27136, Korea

Correspondence to:sangjunkang59@gmail.com

Received: April 2, 2019; Revised: April 26, 2019; Accepted: May 23, 2019

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Commercial silver-doped phosphate glass is a promising material for a solid-state radio-photoluminescent (RPL) dosimeter. It has several promising characteristics, such as RPL intensity linearity with the ionizing irradiation dose, data accumulation, no fading, and measurement repeatability. It can be used as personal, environmental, and clinical dosimeter as well. The objective of this study was to synthesize silver-doped phosphate glass in the laboratory and compare its RPL properties with those of a commercial GD-352M glass. The emission and the excitation properties of the synthesized and commercial glasses were measured before and after X-ray irradiation. An intense orange emission peak at 600 nm and an excitation peak at 320 nm were measured for the synthesized glass after X-ray irradiation. The radiative lifetime of the synthesized glass had two decay components for the orange Radio-Photoluminescence.

Keywords: Dosimeter, Radiative lifetime, Radio-photoluminescence, X-ray irradiation.

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