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Quantum Confinement Effects in Semiconducting Scintillators
https://repo.qst.go.jp/records/61347
https://repo.qst.go.jp/records/613479f9b2124-7a25-433d-82fa-0b046c34af59
| Item type | 会議発表用資料 / Presentation(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2006-05-29 | |||||
| タイトル | ||||||
| タイトル | Quantum Confinement Effects in Semiconducting Scintillators | |||||
| 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_c94f | |||||
| 資源タイプ | conference object | |||||
| 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 |
Shibuya, Kengo
× Shibuya, Kengo× Inadama, Naoko× Yoshida, Eiji× Yamaya, Taiga× Murayama, Hideo× et.al× 澁谷 憲悟× 稲玉 直子× 吉田 英治× 山谷 泰賀× 村山 秀雄 |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | An idea for developing scintillators possessing both a large light output and a quick response is presented. Usually, some direct-gap semiconductors exhibit sub-nanosecond decaying ultra-fast scintillation only at a very low temperature. The authors found that the thermal quenching is effectively prevented by a construction of a low-dimensional quantum confinement system, and practical light output can be obtained even at room temperature. A comparative study in scintillation properties of two- and three-dimensional semiconducting materials having similar compositions was demonstrated, and physical effects of the quantum confinement systems are discussed. A crystals of (C6H13NH3)2PbI4 having a multiple quantum well structure exhibited three decay components of 390 ps, 3.8 ns and 16 ns with the ratios of 28%, 29% and 43%, respectively. And the total light output at 300 K was 11% of that of NaI:Tl. |
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| 会議概要（会議名, 開催地, 会期, 主催者等） | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | IEEE 2005 Nuclear Science Symposium & Medical Imaging Conference | |||||
| 発表年月日 | ||||||
| 日付 | 2005-10-29 | |||||
| 日付タイプ | Issued | |||||
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Cite as
Shibuya, Kengo, Inadama, Naoko, Yoshida, Eiji, Yamaya, Taiga, Murayama, Hideo, et.al, 澁谷 憲悟, 稲玉 直子, 吉田 英治, 山谷 泰賀, 村山 秀雄, 2005, Quantum Confinement Effects in Semiconducting Scintillators.
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