JP7351923B2 - 希土類ハロゲン化物シンチレーション材料 - Google Patents
希土類ハロゲン化物シンチレーション材料 Download PDFInfo
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- JP7351923B2 JP7351923B2 JP2021555345A JP2021555345A JP7351923B2 JP 7351923 B2 JP7351923 B2 JP 7351923B2 JP 2021555345 A JP2021555345 A JP 2021555345A JP 2021555345 A JP2021555345 A JP 2021555345A JP 7351923 B2 JP7351923 B2 JP 7351923B2
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- rare earth
- earth halide
- scintillation
- scintillation material
- halide scintillation
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- 239000000463 material Substances 0.000 title claims description 42
- -1 Rare earth halide Chemical class 0.000 title claims description 39
- 229910052761 rare earth metal Inorganic materials 0.000 title claims description 36
- 239000013078 crystal Substances 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 6
- 150000002500 ions Chemical class 0.000 claims description 5
- 239000003129 oil well Substances 0.000 claims description 5
- 238000002600 positron emission tomography Methods 0.000 claims description 5
- 230000005251 gamma ray Effects 0.000 claims description 4
- XKUYOJZZLGFZTC-UHFFFAOYSA-K lanthanum(iii) bromide Chemical compound Br[La](Br)Br XKUYOJZZLGFZTC-UHFFFAOYSA-K 0.000 description 11
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 description 7
- 239000002994 raw material Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000010453 quartz Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910014323 Lanthanum(III) bromide Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009643 growth defect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- MOOUSOJAOQPDEH-UHFFFAOYSA-K cerium(iii) bromide Chemical compound [Br-].[Br-].[Br-].[Ce+3] MOOUSOJAOQPDEH-UHFFFAOYSA-K 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 238000009206 nuclear medicine Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- ANDNPYOOQLLLIU-UHFFFAOYSA-N [Y].[Lu] Chemical compound [Y].[Lu] ANDNPYOOQLLLIU-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
- C09K11/7772—Halogenides
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/12—Halides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/253—Halides
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
- C30B11/02—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method without using solvents
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/202—Measuring radiation intensity with scintillation detectors the detector being a crystal
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/202—Measuring radiation intensity with scintillation detectors the detector being a crystal
- G01T1/2023—Selection of materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/36—Measuring spectral distribution of X-rays or of nuclear radiation spectrometry
- G01T1/362—Measuring spectral distribution of X-rays or of nuclear radiation spectrometry with scintillation detectors
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
- C01P2002/54—Solid solutions containing elements as dopants one element only
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Health & Medical Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- General Physics & Mathematics (AREA)
- Geology (AREA)
- Luminescent Compositions (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Measurement Of Radiation (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Description
Claims (9)
- 希土類ハロゲン化物シンチレーション材料であって、
前記希土類ハロゲン化物シンチレーション材料の化学式は、La1-xCexBr3+yであり、0.001≦x≦1、0.0001≦y≦0.1であり、前記希土類ハロゲン化物シンチレーション材料には、Ce3+とCe4+の両方が含有され、Ceイオンの見掛けの原子価が+3価と+4価の間にあることである、ことを特徴とする希土類ハロゲン化物シンチレーション材料。 - 0.005≦x≦0.1、0.001≦y≦0.05である、ことを特徴とする請求項1に記載の希土類ハロゲン化物シンチレーション材料。
- x=1、0.001≦y≦0.05である、ことを特徴とする請求項1または2に記載の希土類ハロゲン化物シンチレーション材料。
- 前記希土類ハロゲン化物シンチレーション材料は単結晶である、ことを特徴とする請求項3に記載の希土類ハロゲン化物シンチレーション材料。
- 前記希土類ハロゲン化物シンチレーション材料は、ブリッジマン法によって成長させることによって得られる、ことを特徴とする請求項4に記載の希土類ハロゲン化物シンチレーション材料。
- シンチレーション検出器であって、
請求項1~5の何れか1項に記載の希土類ハロゲン化物シンチレーション材料を含む、ことを特徴とするシンチレーション検出器。 - 陽電子放出断層撮影であって、
請求項6に記載のシンチレーション検出器を含む、ことを特徴とする陽電子放出断層撮影。 - ガンマ線スペクトロメータであって、
請求項6に記載のシンチレーション検出器を含む、ことを特徴とするガンマ線スペクトロメータ。 - 油井探査装置であって、
請求項6に記載のシンチレーション検出器を含む、ことを特徴とする油井探査装置。
Applications Claiming Priority (3)
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CN201911058510.3 | 2019-11-01 | ||
CN201911058510.3A CN110938868B (zh) | 2019-11-01 | 2019-11-01 | 稀土卤化物闪烁材料 |
PCT/CN2020/125172 WO2021083316A1 (zh) | 2019-11-01 | 2020-10-30 | 稀土卤化物闪烁材料 |
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JP2022525603A JP2022525603A (ja) | 2022-05-18 |
JP7351923B2 true JP7351923B2 (ja) | 2023-09-27 |
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US (1) | US20220372368A1 (ja) |
JP (1) | JP7351923B2 (ja) |
CN (1) | CN110938868B (ja) |
WO (1) | WO2021083316A1 (ja) |
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CN110938868B (zh) * | 2019-11-01 | 2022-02-22 | 有研稀土新材料股份有限公司 | 稀土卤化物闪烁材料 |
Citations (2)
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WO2019128388A1 (zh) | 2017-12-27 | 2019-07-04 | 有研稀土新材料股份有限公司 | 稀土卤化物闪烁材料及其应用 |
WO2019168169A1 (ja) | 2018-03-02 | 2019-09-06 | 国立大学法人東北大学 | 蛍光体 |
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US7405404B1 (en) * | 2004-09-23 | 2008-07-29 | Radiation Monitoring Devices, Inc. | CeBr3 scintillator |
JP2010285559A (ja) * | 2009-06-12 | 2010-12-24 | Hitachi Chem Co Ltd | シンチレータ用結晶及び放射線検出器 |
JP2011225742A (ja) * | 2010-04-21 | 2011-11-10 | Hitachi Chem Co Ltd | 原料精製装置およびシンチレータ用単結晶の製造方法 |
CN102560647A (zh) * | 2012-02-08 | 2012-07-11 | 中国科学院福建物质结构研究所 | 制备掺铈溴化镧闪烁晶体的坩埚下降法 |
CN102534775B (zh) * | 2012-03-12 | 2015-06-17 | 中国科学院福建物质结构研究所 | 采用异相籽晶生长掺铈溴化镧闪烁晶体的方法 |
CN103695002B (zh) * | 2013-12-26 | 2016-03-30 | 有研稀土新材料股份有限公司 | 无机闪烁材料 |
CN110982527B (zh) * | 2019-11-01 | 2021-12-14 | 有研稀土新材料股份有限公司 | 稀土卤化物闪烁材料 |
CN110938433B (zh) * | 2019-11-01 | 2022-03-08 | 有研稀土新材料股份有限公司 | 稀土卤化物闪烁材料 |
CN110938868B (zh) * | 2019-11-01 | 2022-02-22 | 有研稀土新材料股份有限公司 | 稀土卤化物闪烁材料 |
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- 2019-11-01 CN CN201911058510.3A patent/CN110938868B/zh active Active
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- 2020-10-30 WO PCT/CN2020/125172 patent/WO2021083316A1/zh active Application Filing
- 2020-10-30 JP JP2021555345A patent/JP7351923B2/ja active Active
- 2020-10-30 US US17/441,927 patent/US20220372368A1/en active Pending
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WO2019128388A1 (zh) | 2017-12-27 | 2019-07-04 | 有研稀土新材料股份有限公司 | 稀土卤化物闪烁材料及其应用 |
WO2019168169A1 (ja) | 2018-03-02 | 2019-09-06 | 国立大学法人東北大学 | 蛍光体 |
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US20220372368A1 (en) | 2022-11-24 |
JP2022525603A (ja) | 2022-05-18 |
CN110938868B (zh) | 2022-02-22 |
CN110938868A (zh) | 2020-03-31 |
WO2021083316A1 (zh) | 2021-05-06 |
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