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Thermoluminescence efficiency and glow curves of Cr-doped Al2O3 ceramic TLD for a wide linear energy transfer range
https://repo.qst.go.jp/records/80277
https://repo.qst.go.jp/records/80277888ae3fe-8386-495c-970f-8c1964653318
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-08-04 | |||||
タイトル | ||||||
タイトル | Thermoluminescence efficiency and glow curves of Cr-doped Al2O3 ceramic TLD for a wide linear energy transfer range | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Shimomura, Risa
× Shimomura, Risa× Koba, Yusuke× Chang, Weishan× Koshimizu, Masanori× Fujimoto, Yutaka× Kawamoto, Hiroki× Maruyama, Daiki× Matsumoto, Kazuki× Ushiba, Hiroaki× Andoh, Takayuki× Shinsho, Kiyomitsu× Shimomura, Risa× Koba, Yusuke× Chang, Weishan× Koshimizu, Masanori× Kawamoto, Hiroki× Maruyama, Daiki× Shinsho, Kiyomitsu |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We investigated the thermoluminescence (TL) efficiency and the glow curve of Cr-doped alumina (Al2O3) ceramic thermoluminescent dosimeters (TLDs) for heavy charged particles. The TLDs were irradiated with beams of protons, helium, and carbon ions. A 6-MV X-ray was used as the reference radiation for investigating the relative TL efficiency. The relative TL efficiency reaches its peak when the linear energy transfer (LET) is approximately 6 keV/μm and decreases with increasing LET. Moreover, the relative TL efficiency was 1.09 for the helium beam (LET: 11.5 keV/μm) and 1.22 for the carbon beam (LET: 13.3 keV/μm). This indicates that the relative TL efficiency of a Cr-doped Al2O3 ceramic TLD varies not only with the LET but also with the particle species. In order to investigate the relationship between the trap center of the Cr-doped Al2O3 ceramic TLD and the LET, the glow curve for each irradiation condition was also measured. As a result, the shape of the glow curve remained the same for a wide LET range, between 0.5 keV/μm and 128 keV/μm. | |||||
書誌情報 |
Radiation Measurements 巻 134, p. 106356-106356, 発行日 2020-06 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1350-4487 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.radmeas.2020.106356 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.sciencedirect.com/science/article/pii/S1350448720301207#! |