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Optimization of phosphor concentration of surface-modified Bi2O3 nanoparticle-loaded plastic scintillators for high-energy photon detection
https://repo.qst.go.jp/records/82886
https://repo.qst.go.jp/records/82886d60c3885-7547-479d-a9a8-877b35d916d2
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-05-27 | |||||
タイトル | ||||||
タイトル | Optimization of phosphor concentration of surface-modified Bi2O3 nanoparticle-loaded plastic scintillators for high-energy photon detection | |||||
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 |
Magi, Arisa
× Magi, Arisa× Masanori, Koshimizu× Watanabe, Akito× Akira Yoko× Seong, Gimyeong× Tomai, Takaaki× Adschiri, Tadafumi× Haruki, Rie× Fumihiko, Nishikido× Shunji Kishiomto× Fujimoto, Yutaka× Asai, Keisuke× Masanori, Koshimizu× Fumihiko, Nishikido |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In this study, the 3-phenylpropionic acid (3-PPA)-modified Bi2O3 nanoparticle-loaded plastic scintillators were synthesized to obtain fast scintillators having high detection efficiency of high-energy X-rays. To reach a high light yield, the content of 2-(4-tert-butylphenyl)-5-(4-phenylphenyl))-1,3,4-oxadiazole (b-PBD) in the plastic scintillators was optimized. The detection efficiency for high-energy photons was enhanced by the incorporation of surface-modified Bi2O3 nanoparticles of less than 10 nm into scintillators at 5 or 10 wt%. In the pulse-height spectra, the photoelectric peak positions were located at the highest channels for the samples containing 0.50 or 1.0 mol% b-PBD regardless of the Bi concentration. The photoelectric peak positions shifted to lower channels with a further increase in the b-PBD concentration, which indicates that the light yield decreased due to concentration quenching. In addition, the time resolution of the detector equipped with the studied samples was of the sub-nanosecond scale, suggesting that they had a very fast response. | |||||
書誌情報 |
Journal of Materials Science: Materials in Electronics 巻 32, 号 6, p. 7987-7999, 発行日 2021-03 |
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出版者 | ||||||
出版者 | Wiley | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0957-4522 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1007/s10854-021-05522-4 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://link.springer.com/article/10.1007/s10854-021-05522-4 |