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ID 118397
Author
Kida, Fumio SUN•LUX Optical Co., Ltd.
Yamada, Kenji Tokushima University
Nakamura, Mami Tokushima University
Hase, Hitoshi SUN•LUX Optical Co., Ltd.
Keywords
Direct X-ray
Scattered X-ray
CR-39
Photoexcited emission
Dose response
Silica nanocapsule
Content Type
Journal Article
Description
The photoexcited emissions of direct- and scattered-X-ray-irradiated CR-39 and methylviologen-encapsulated silica nanocapsule (MV2+@SiO2 NC)-doped CR-39 were observed, and they showed a dose response. The benzophenone radical was formed in a shallow trap in CR-39 upon X-ray irradiation from 10 to 30 Gy, and the fluorescence intensity increased with the dose. Methylviologen in SiO2 NCs competitively captured electrons generated by X-ray irradiation, and the captured electrons were reverse transferred to the shallow traps with time. A minimum dose rate of 300 µGy/s was observed between 1 and 5 Gy. Finally, a dose response of less than 2 mGy for scattered X-rays was obtained in this system.
Journal Title
Results in Optics
ISSN
26669501
Publisher
Elsevier
Volume
12
Start Page
100487
Published Date
2023-07-10
Rights
This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0/).
EDB ID
DOI (Published Version)
URL ( Publisher's Version )
FullText File
language
eng
TextVersion
Publisher
departments
Advance Radiation Research, Education, and Management Center