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WO2008093869A1 - 蛍光材料およびそれを用いたシンチレータ並びに放射線検出器 - Google Patents

蛍光材料およびそれを用いたシンチレータ並びに放射線検出器 Download PDF

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Publication number
WO2008093869A1
WO2008093869A1 PCT/JP2008/051734 JP2008051734W WO2008093869A1 WO 2008093869 A1 WO2008093869 A1 WO 2008093869A1 JP 2008051734 W JP2008051734 W JP 2008051734W WO 2008093869 A1 WO2008093869 A1 WO 2008093869A1
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WIPO (PCT)
Prior art keywords
fluorescent material
scintillator
radiation detector
massppm
contained
Prior art date
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PCT/JP2008/051734
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English (en)
French (fr)
Inventor
Ryouhei Nakamura
Shunsuke Ueda
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Hitachi Metals, Ltd.
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Application filed by Hitachi Metals, Ltd. filed Critical Hitachi Metals, Ltd.
Priority to JP2008556212A priority Critical patent/JP5212115B2/ja
Priority to US12/525,477 priority patent/US8410446B2/en
Priority to CN2008800038711A priority patent/CN101617023B/zh
Priority to EP08704411.1A priority patent/EP2128222B1/en
Publication of WO2008093869A1 publication Critical patent/WO2008093869A1/ja

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    • G21K4/00—Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens
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    • C01F17/32—Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6 oxide or hydroxide being the only anion, e.g. NaCeO2 or MgxCayEuO
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Abstract

　放射線検出器用のシンチレータにおいて、発光強度が高く、また、Ｘ線照射停止後１～１０ｍｓという短時間経過後の残光が小さな蛍光材料を提供する。 　Ｃｅを発光元素とし、少なくともＧｄ、Ａｌ、Ｇａ、ＯおよびＦｅを含み、ＭがＭｇ、Ｔｉ、Ｎｉのうち少なくとも1種類以上であり、下記一般式で表されることを特徴とする蛍光材料。 　（Ｇｄ１－ｘ－ｚＬｕｘＣｅｚ）３＋ａ（Ａｌ１－ｕ－ｓＧａｕＳｃｓ）５－ａＯ１２ ここで、０≦ａ≦０．１５、０≦ｘ≦０．５、０．０００３≦ｚ≦０．０１６７、０.２≦ｕ≦０．６、０≦ｓ≦０.１であり、Ｆｅ、Ｍの添加濃度は、Ｆｅ：０．０５～１ｍａｓｓｐｐｍ、Ｍ：０～５０ｍａｓｓｐｐｍである。
PCT/JP2008/051734 2007-02-02 2008-02-04 蛍光材料およびそれを用いたシンチレータ並びに放射線検出器 WO2008093869A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2008556212A JP5212115B2 (ja) 2007-02-02 2008-02-04 蛍光材料およびそれを用いたシンチレータ並びに放射線検出器
US12/525,477 US8410446B2 (en) 2007-02-02 2008-02-04 Fluorescent material, scintillator using same, and radiation detector using same
CN2008800038711A CN101617023B (zh) 2007-02-02 2008-02-04 荧光材料及采用该荧光材料的闪烁器和放射线检测器
EP08704411.1A EP2128222B1 (en) 2007-02-02 2008-02-04 Fluorescent material, scintillator using the fluorescent material, and radiation detector

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-024647 2007-02-02
JP2007024647 2007-02-02
JP2007-303228 2007-11-22
JP2007303228 2007-11-22

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WO2008093869A1 true WO2008093869A1 (ja) 2008-08-07

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US (1) US8410446B2 (ja)
EP (1) EP2128222B1 (ja)
JP (1) JP5212115B2 (ja)
CN (1) CN101617023B (ja)
WO (1) WO2008093869A1 (ja)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009235181A (ja) * 2008-03-26 2009-10-15 Hitachi Metals Ltd 蛍光材料の製造方法
JP2010261005A (ja) * 2008-07-31 2010-11-18 Hitachi Metals Ltd 蛍光材料およびそれを用いたシンチレータ並びに放射線検出器
JP2011153200A (ja) * 2010-01-27 2011-08-11 Hitachi Metals Ltd 蛍光材料およびそれを用いたシンチレータ並びに放射線検出器
JP2012066994A (ja) * 2010-08-27 2012-04-05 Furukawa Co Ltd シンチレータ用ガーネット型単結晶およびこれを用いる放射線検出器
WO2012057133A1 (ja) 2010-10-29 2012-05-03 日立金属株式会社 軟x線検出用多結晶シンチレータ
JP2012184397A (ja) * 2011-02-16 2012-09-27 Hitachi Metals Ltd 多結晶シンチレータ及びその製造方法並びに放射線検出器
US20130069007A1 (en) * 2011-08-16 2013-03-21 Nitto Denko Corporation Phosphor compositions and methods of making the same
WO2013136804A1 (ja) * 2012-03-15 2013-09-19 株式会社 東芝 固体シンチレータ、放射線検出器、および放射線検査装置
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JP2016506977A (ja) * 2013-01-23 2016-03-07 ユニバーシティ オブ テネシー リサーチ ファウンデーション ガーネット型シンチレータのシンチレーション及び光学特性を改変するための共ドーピング方法

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