JP5035660B2 - 蛍光材料およびそれを用いた放射線検出器 - Google Patents
蛍光材料およびそれを用いた放射線検出器 Download PDFInfo
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- JP5035660B2 JP5035660B2 JP2006070966A JP2006070966A JP5035660B2 JP 5035660 B2 JP5035660 B2 JP 5035660B2 JP 2006070966 A JP2006070966 A JP 2006070966A JP 2006070966 A JP2006070966 A JP 2006070966A JP 5035660 B2 JP5035660 B2 JP 5035660B2
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- 239000000463 material Substances 0.000 title claims description 122
- 230000005855 radiation Effects 0.000 title claims description 21
- 239000013078 crystal Substances 0.000 claims description 57
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 16
- 229910052772 Samarium Inorganic materials 0.000 claims description 15
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 14
- 229910052691 Erbium Inorganic materials 0.000 claims description 14
- 229910052689 Holmium Inorganic materials 0.000 claims description 14
- 229910052779 Neodymium Inorganic materials 0.000 claims description 14
- 229910052775 Thulium Inorganic materials 0.000 claims description 14
- 239000002223 garnet Substances 0.000 claims description 8
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 229910052733 gallium Inorganic materials 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 229910052765 Lutetium Inorganic materials 0.000 claims description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 40
- 229910004631 Ce(NO3)3.6H2O Inorganic materials 0.000 description 40
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 40
- 229910002828 Pr(NO3)3·6H2O Inorganic materials 0.000 description 21
- 230000007423 decrease Effects 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 11
- 238000001514 detection method Methods 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 10
- 238000002591 computed tomography Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 230000035945 sensitivity Effects 0.000 description 8
- 229910052724 xenon Inorganic materials 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910002852 Sm(NO3)3·6H2O Inorganic materials 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 229910003205 Nd(NO3)3·6H2O Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000005274 electronic transitions Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 150000003736 xenon Chemical class 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910016497 Er(NO3)3.5H2O Inorganic materials 0.000 description 1
- 229910021116 Sm(NO3)3.6H2O Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 238000009694 cold isostatic pressing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 229910001938 gadolinium oxide Inorganic materials 0.000 description 1
- 229940075613 gadolinium oxide Drugs 0.000 description 1
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 description 1
- 229910001195 gallium oxide Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- -1 rare earth ions Chemical class 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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- Luminescent Compositions (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006070966A JP5035660B2 (ja) | 2006-03-15 | 2006-03-15 | 蛍光材料およびそれを用いた放射線検出器 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006070966A JP5035660B2 (ja) | 2006-03-15 | 2006-03-15 | 蛍光材料およびそれを用いた放射線検出器 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007246653A JP2007246653A (ja) | 2007-09-27 |
| JP2007246653A5 JP2007246653A5 (enExample) | 2009-02-19 |
| JP5035660B2 true JP5035660B2 (ja) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006070966A Active JP5035660B2 (ja) | 2006-03-15 | 2006-03-15 | 蛍光材料およびそれを用いた放射線検出器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5035660B2 (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8410446B2 (en) | 2007-02-02 | 2013-04-02 | Hitachi Metals, Ltd. | Fluorescent material, scintillator using same, and radiation detector using same |
| US8083968B2 (en) | 2008-03-10 | 2011-12-27 | Kabushiki Kaisha Toshiba | Solid scintillator, radiation detector, and X-ray tomographic imaging apparatus |
| JP5521412B2 (ja) * | 2008-07-31 | 2014-06-11 | 日立金属株式会社 | 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 |
| JP5505782B2 (ja) * | 2010-01-27 | 2014-05-28 | 日立金属株式会社 | 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 |
| JP5572049B2 (ja) * | 2010-09-29 | 2014-08-13 | 株式会社東芝 | 固体シンチレータ用材料、固体シンチレータ、およびそれを用いた放射線検出器並びに放射線検査装置 |
| JP5498908B2 (ja) * | 2010-09-29 | 2014-05-21 | 株式会社東芝 | 固体シンチレータ用材料、固体シンチレータ、およびそれを用いた放射線検出器並びに放射線検査装置 |
| 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 |
| WO2012066425A2 (en) | 2010-11-16 | 2012-05-24 | Saint-Gobain Cristaux Et Detecteurs | Scintillation compound including a rare earth element and a process of forming the same |
| FR2967420B1 (fr) * | 2010-11-16 | 2014-01-17 | Saint Gobain Cristaux Et Detecteurs | Materiau scintillateur a faible luminescence retardee |
| JP5311241B2 (ja) * | 2011-02-16 | 2013-10-09 | 日立金属株式会社 | 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 |
| US9145517B2 (en) * | 2012-04-17 | 2015-09-29 | General Electric Company | Rare earth garnet scintillator and method of making same |
| EP3489328A1 (en) * | 2012-11-14 | 2019-05-29 | Koninklijke Philips N.V. | Scintillator material |
| JP6928424B2 (ja) * | 2016-02-24 | 2021-09-01 | 日亜化学工業株式会社 | 蛍光体及び発光装置 |
| DE102017008868A1 (de) * | 2017-09-21 | 2019-03-21 | Giesecke+Devrient Currency Technology Gmbh | Optischer Speicherleuchtstoff, Verfahren zum Prüfen eines Echtheitsmerkmals, Vorrichtung zum Durchführen eines Verfahrens, Echtheitsmerkmal und Wertdokument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7008558B2 (en) * | 2001-10-11 | 2006-03-07 | General Electric Company | Terbium or lutetium containing scintillator compositions having increased resistance to radiation damage |
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- 2006-03-15 JP JP2006070966A patent/JP5035660B2/ja active Active
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| Publication number | Publication date |
|---|---|
| JP2007246653A (ja) | 2007-09-27 |
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