A study on the radiation resistance of CdWO4 thin-film scintillators deposited by using an electron-beam physical vapor deposition method
- Authors
- Park, Seyong; Yoon, Young Soo
- Issue Date
- Sep-2016
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- CdWO4; Scintillator; Thin film; Gamma ray; E-beam deposition
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.69, no.5, pp.734 - 738
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 69
- Number
- 5
- Start Page
- 734
- End Page
- 738
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/7959
- DOI
- 10.3938/jkps.69.734
- ISSN
- 0374-4884
- Abstract
- In this paper, we report the first successful fabrication of CdWO4 thin film scintillators deposited on quartz glass substrates by using an electron-beam physical vapor deposition method. The films were dense, uniform, and crack-free. CdWO4 thin-film samples of varying thicknesses were investigated by using structural and optical characterization techniques. An optimized thickness for the CdWO4 thin-film scintillators was discovered. The scintillation and the optical properties were found to depend strongly on the annealing process. The annealing process resulted in thin films with a distinct crystal structure and with improved transparency and scintillation properties. For potential applications in gamma-ray energy storage systems, photoluminescence measurements were performed using gamma rays at a dose rate of 10 kGy h(-1).
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Collections - 공과대학 > 신소재공학과 > 1. Journal Articles
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