Mechanism of Photostimulated Luminescence Process in BaFBr:Eu<sup>2+</sup>Phosphors
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- Iwabuchi Yasuo
- Miyanodai Technology Development Center, Fuji Photo Film Co., Ltd., Miyanodai, Kaisei, Kanagawa 258
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- Mori Nobufumi
- Miyanodai Technology Development Center, Fuji Photo Film Co., Ltd., Miyanodai, Kaisei, Kanagawa 258
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- Takahashi Kenji
- Miyanodai Technology Development Center, Fuji Photo Film Co., Ltd., Miyanodai, Kaisei, Kanagawa 258
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- Matsuda Terumi
- Miyanodai Technology Development Center, Fuji Photo Film Co., Ltd., Miyanodai, Kaisei, Kanagawa 258
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- Shionoya Shigeo
- Department of Electronics, Tokyo Engineering University, Katakura, Hachioji, Tokyo 192
書誌事項
- タイトル別名
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- Mechanism of Photostimulated Luminescence Process in BaFBr:Eu2+ Phosphors.
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抄録
The formation of photostimulated luminescence (PSL) centers in BaFBr:Eu2+ single-crystal phosphors is studied in the 5-9 eV vacuum ultraviolet region. The centers are efficiently formed by the Eu2+ photoionization absorption at 6.6 eV. The PSL excitation spectrum after the photoionization excitation is almost the same as that after X-ray excitation. Photoconductivity is generated in the PSL process after the photoionization excitation. These results present further confirmation of the PSL mechanism of Takahashi et al. [J. Lumin. 31 & 32 (1984) 266]. The numerical analysis of the dependence of the PSL intensity on X-ray excitation intensity, assuming bimolecular kinetics in accord with this mechanism, gives the linear dependence over a very wide range of X-ray intensity under the practical conditions in the PSL applications. Thus the mechanism of Takahashi et al. is definitely established.
収録刊行物
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- Japanese Journal of Applied Physics
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Japanese Journal of Applied Physics 33 (1A), 178-185, 1994
The Japan Society of Applied Physics
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詳細情報 詳細情報について
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- CRID
- 1390001206246847616
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- NII論文ID
- 30021834515
- 110003902801
- 210000035202
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- NII書誌ID
- AA10457675
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- COI
- 1:CAS:528:DyaK2cXitVegtLw%3D
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- ISSN
- 13474065
- 00214922
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- 本文言語コード
- en
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- データソース種別
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- JaLC
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- 抄録ライセンスフラグ
- 使用不可