JP6978157B2 - 結晶シンチレータを製造する方法 - Google Patents
結晶シンチレータを製造する方法 Download PDFInfo
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- JP6978157B2 JP6978157B2 JP2016227829A JP2016227829A JP6978157B2 JP 6978157 B2 JP6978157 B2 JP 6978157B2 JP 2016227829 A JP2016227829 A JP 2016227829A JP 2016227829 A JP2016227829 A JP 2016227829A JP 6978157 B2 JP6978157 B2 JP 6978157B2
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- oxide
- garnet
- solution
- gallium
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- 239000013078 crystal Substances 0.000 title claims description 34
- 238000000034 method Methods 0.000 claims description 39
- 239000002223 garnet Substances 0.000 claims description 33
- 239000000843 powder Substances 0.000 claims description 23
- 238000004519 manufacturing process Methods 0.000 claims description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 229910001195 gallium oxide Inorganic materials 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 229910052733 gallium Inorganic materials 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 239000002019 doping agent Substances 0.000 claims description 13
- 229910052684 Cerium Inorganic materials 0.000 claims description 12
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 11
- -1 placeodim Chemical compound 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 239000002244 precipitate Substances 0.000 claims description 10
- 229910052771 Terbium Inorganic materials 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 9
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 claims description 9
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052746 lanthanum Inorganic materials 0.000 claims description 8
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 8
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 8
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 7
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 claims description 7
- 229910052779 Neodymium Inorganic materials 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 claims description 6
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 4
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 2
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical group [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 2
- 239000001099 ammonium carbonate Substances 0.000 claims description 2
- 239000000908 ammonium hydroxide Substances 0.000 claims description 2
- 229910001938 gadolinium oxide Inorganic materials 0.000 claims description 2
- 229940075613 gadolinium oxide Drugs 0.000 claims description 2
- 150000004820 halides Chemical class 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims 3
- 238000005406 washing Methods 0.000 claims 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 2
- 230000001376 precipitating effect Effects 0.000 claims 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 19
- 238000006243 chemical reaction Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 10
- 229910052727 yttrium Inorganic materials 0.000 description 10
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 10
- 229910052765 Lutetium Inorganic materials 0.000 description 9
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 9
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 description 9
- 229910044991 metal oxide Inorganic materials 0.000 description 9
- 150000004706 metal oxides Chemical class 0.000 description 9
- 229910052706 scandium Inorganic materials 0.000 description 8
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 8
- 239000000155 melt Substances 0.000 description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 6
- 229910052796 boron Inorganic materials 0.000 description 6
- 229910052741 iridium Inorganic materials 0.000 description 6
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 6
- 229910052772 Samarium Inorganic materials 0.000 description 5
- 229910000420 cerium oxide Inorganic materials 0.000 description 5
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 5
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- 229910052691 Erbium Inorganic materials 0.000 description 4
- 229910052693 Europium Inorganic materials 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 4
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 4
- 239000011133 lead Substances 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- BFHKYHMIVDBCPC-UHFFFAOYSA-N 1,3,5,7-tetrahydro-[1,3]oxazolo[3,4-c][1,3]oxazol-7a-ylmethanol Chemical compound C1OCN2COCC21CO BFHKYHMIVDBCPC-UHFFFAOYSA-N 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910052775 Thulium Inorganic materials 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 229910052787 antimony Inorganic materials 0.000 description 3
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 3
- 229910052788 barium Inorganic materials 0.000 description 3
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 3
- 229910052797 bismuth Inorganic materials 0.000 description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052738 indium Inorganic materials 0.000 description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 229910052712 strontium Inorganic materials 0.000 description 3
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 3
- 229910052718 tin Inorganic materials 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 229910052692 Dysprosium Inorganic materials 0.000 description 2
- 229910052689 Holmium Inorganic materials 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- ZPDRQAVGXHVGTB-UHFFFAOYSA-N gallium;gadolinium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Gd+3] ZPDRQAVGXHVGTB-UHFFFAOYSA-N 0.000 description 2
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 2
- 229910003443 lutetium oxide Inorganic materials 0.000 description 2
- 229910001507 metal halide Inorganic materials 0.000 description 2
- 150000005309 metal halides Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium oxide Inorganic materials [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 description 2
- MPARYNQUYZOBJM-UHFFFAOYSA-N oxo(oxolutetiooxy)lutetium Chemical compound O=[Lu]O[Lu]=O MPARYNQUYZOBJM-UHFFFAOYSA-N 0.000 description 2
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 2
- 238000002600 positron emission tomography Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229910052716 thallium Inorganic materials 0.000 description 2
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- BEZBEMZKLAZARX-UHFFFAOYSA-N alumane;gadolinium Chemical compound [AlH3].[Gd] BEZBEMZKLAZARX-UHFFFAOYSA-N 0.000 description 1
- 239000003708 ampul Substances 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000003842 bromide salts Chemical class 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- VYLVYHXQOHJDJL-UHFFFAOYSA-K cerium trichloride Chemical compound Cl[Ce](Cl)Cl VYLVYHXQOHJDJL-UHFFFAOYSA-K 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- MOOUSOJAOQPDEH-UHFFFAOYSA-K cerium(iii) bromide Chemical compound [Br-].[Br-].[Br-].[Ce+3] MOOUSOJAOQPDEH-UHFFFAOYSA-K 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 238000004320 controlled atmosphere Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- HTXDPTMKBJXEOW-UHFFFAOYSA-N dioxoiridium Chemical compound O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910000457 iridium oxide Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
- 239000010979 ruby Substances 0.000 description 1
- 229910001750 ruby Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- HYXGAEYDKFCVMU-UHFFFAOYSA-N scandium oxide Chemical compound O=[Sc]O[Sc]=O HYXGAEYDKFCVMU-UHFFFAOYSA-N 0.000 description 1
- CFPVQGQJRGIWSP-UHFFFAOYSA-N scandium(3+) Chemical compound [Sc+3] CFPVQGQJRGIWSP-UHFFFAOYSA-N 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000002603 single-photon emission computed tomography Methods 0.000 description 1
- 238000000527 sonication Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
-
- 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
- C30B1/00—Single-crystal growth directly from the solid state
- C30B1/02—Single-crystal growth directly from the solid state by thermal treatment, e.g. strain annealing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/64—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing aluminium
- C09K11/641—Chalcogenides
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- 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
- C09K11/7706—Aluminates
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- 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
- C09K11/7712—Borates
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- 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
- C09K11/7774—Aluminates
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- 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
- C09K11/778—Borates
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- 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
- C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
- C09K11/7792—Aluminates
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- 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
- C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
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Description
M1 aM2 bM3 cM4 dO12 (1)
式中、Oは、酸素を表わし、M1、M2、M3及びM4は、互いに異なる第一、第二、第三及び第四の金属を表わし、a+b+c+dの合計は、約8であり、aは、約2〜約3.5の値を有し、bは、0〜約5の値を有し、cは、0〜約5の値を有し、dは、0〜約1の値を有し、ここで、「約」とは、所望の値から±10%の乖離と定義され、bとc、bとd、又は、cとdとは、同時に0であることはできず、M1は、ガドリニウム、イットリウム、ルテチウム、スカンジウムを始めとする(但し、これらに限られない)希土類元素又はこれらの組合せであり、M2は、アルミニウム又はホウ素であり、M3は、ガリウムであり、M4は、共ドーパントであって、タリウム、銅、銀、鉛、ビスマス、インジウム、スズ、アンチモン、タンタル、タングステン、ストロンチウム、バリウム、ホウ素、マグネシウム、カルシウム、セリウム、イットリウム、スカンジウム、ランタン、ルテチウム、プラセオジム、テルビウム、イッテルビウム、サマリウム、ユーロピウム、ホルミウム、ジスプロシウム、エルビウム、ツリウム又はネオジムのうちの1つ又はこれらの任意の組合せを含有する。
M1 aM2 bM3 cM4 dO12 (1)
式中、Oは、酸素を表わし、M1、M2、M3及びM4は、互いに異なる第一、第二、第三及び第四の金属を表わし、a+b+c+dの合計は、約8であり、aは、約2〜約3.5の値を有し、bは、0〜約5の値を有し、cは、0〜約5の値を有し、dは、0〜約1の値を有し、ここで、「約」とは、所望の値から±10%の乖離と定義され、bとc、bとd、又は、cとdは、同時に0であることはできず、M1は、ガドリニウム、イットリウム、ルテチウム、スカンジウムを始めとする(但し、これらに限られない)希土類元素又はこれらの組合せであり、M2は、アルミニウム又はホウ素であり、M3は、ガリウムであり、M4は、共ドーパントであって、タリウム、銅、銀、鉛、ビスマス、インジウム、スズ、アンチモン、タンタル、タングステン、ストロンチウム、バリウム、ホウ素、マグネシウム、カルシウム、セリウム、イットリウム、スカンジウム、ランタン、ルテチウム、プラセオジム、テルビウム、イッテルビウム、サマリウム、ユーロピウム、ホルミウム、ジスプロシウム、エルビウム、ツリウム又はネオジムのうちの1つ又はこれらの任意の組合せを含有する。
M1 aM2 bM3 cM4 dO12 (1)
式中、Oは、酸素を表わし、M1、M2、M3及びM4は、互いに異なる第一、第二、第三及び第四の金属を表わし、a+b+c+dの合計は、約8であり、ここで、「約」とは、所望の値から±10%の乖離と定義され、aは、約2〜約3.5、好ましくは約2.4〜約3.2、更に好ましくは約3.0の値を有し、bは、0〜約5、好ましくは約2〜約3、更に好ましくは約2.1〜約2.5の値を有し、bとc、bとd、又は、cとdは、同時に0であることはできず、cは、0〜約5、好ましくは約1〜約4、より好ましくは約2〜約3、特に好適には約2.1〜約2.5の値を有し、dは、0〜約1、好ましくは約0.001〜約0.5、より好ましくは約0.003〜約0.3、の値を有する。
強塩基は、水に、15〜50モル%、好ましくは20〜40モル%の量で、溶解される。
Claims (7)
- −酸化ガリウム、酸化ガドリニウム、酸化アルミニウム、並びに、セリウム、ランタン、プラセオジム、テルビウム、イッテルビウム及びネオジムからなる群から選ばれる金属の酸化物の少なくとも1つを、所望の化学量論比で、塩化水素酸、硝酸若しくは硫酸又はこれらの組み合わせから選ばれる酸に溶解して溶液を形成する酸化物溶解工程、
−前記溶液に、セリウム、ランタン、プラセオジム、テルビウム、イッテルビウム若しくはネオジムのハロゲン化物又はこれらの組み合わせから選ばれるドーパントを添加するドーパント添加工程、
−前記ドーパント添加工程で得られた溶液を、過剰の塩基に添加して該溶液からガーネットを沈殿させて沈殿物を形成する沈殿物形成工程、
−前記沈殿物を分離プロセスにより溶液から分離して、下記式(1)の組成を有する粉末化形態のガーネットを製造する工程
M1 aM2 bM3 cM4 dO12 (1)
(式中、Oは、酸素を表わし、
M1、M2、M3及びM4は、互いに異なる第一、第二、第三及び第四の金属を表わし、
a+b+c+dの合計は、8であり、
aは、2〜3.5の値を有し、
bは、2〜3の値を有し、
cは、2〜3の値を有し、
dは、0.001〜1の値を有し、
M1は、ガドリニウムであり、
M2は、アルミニウムであり、
M3は、ガリウムであり、
M4は、ドーパントであって、セリウム、ランタン、プラセオジム、テルビウム、イッテルビウム及びネオジムのうちの1つである。)
−前記粉末化形態のガーネットを500℃〜2,000℃に加熱して溶融して結晶ブールを製造する結晶ブール製造工程、及び、
−前記結晶ブール製造工程に引き続いて前記結晶ブールを溶融し、酸素含有雰囲気中でチョクラルスキー法によって800〜1,700℃に加熱して単結晶シンチレータを製造する工程
からなる結晶シンチレータを製造する方法。 - aが、2.4〜3.2の値を有し、
bが、2〜3の値を有し、
cが、2〜3の値を有し、
dが、0.001〜0.5の値を有する
請求項1に記載の方法。 - aが、2.4〜3.2の値を有し、
bが、2.1〜2.5の値を有し、
cが、2.1〜2.5の値を有し、
dが、0.003〜0.3の値を有する
請求項1に記載の方法。 - 前記酸が塩酸であり、この塩酸が水中に25〜50モル%の量で存在する請求項1に記載の方法。
- 前記塩基が水酸化アンモニウム、重炭酸アンモニウム、水酸化カリウム若しくは水酸化ナトリウム又はこれらの組合せである請求項1に記載の方法。
- 前記沈殿物形成工程で得られた粉末を洗浄してこれを更に粉砕する粉末洗浄・粉砕工程を更に含む請求項1に記載の方法。
- 前記粉末洗浄・粉砕工程で得られた粉末が5ナノメートル〜500マイクロメートルの平均粒径を有する請求項6に記載の方法。
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CN109444945A (zh) * | 2018-11-08 | 2019-03-08 | 中国电子科技集团公司第二十六研究所 | 一种低串扰x射线探测器 |
KR20200134304A (ko) * | 2019-02-04 | 2020-12-01 | 지멘스 메디컬 솔루션즈 유에스에이, 인크. | 가돌리늄-갈륨 가넷 신틸레이터에서 갈륨 함량을 조절하는 방법 |
CN110092411B (zh) | 2019-06-13 | 2021-01-15 | 中国电子科技集团公司第二十六研究所 | 一种含镓石榴石结构闪烁晶体的多晶料合成装置及合成方法 |
WO2021031139A1 (zh) * | 2019-08-21 | 2021-02-25 | 眉山博雅新材料有限公司 | 多组分石榴石结构闪烁晶体生长方法及设备 |
CN111253152B (zh) * | 2020-01-21 | 2022-06-17 | 徐州凹凸光电科技有限公司 | 一种快衰减高光效闪烁材料及其制备方法 |
CN111850685A (zh) * | 2020-06-18 | 2020-10-30 | 同济大学 | 一种快衰减高光输出氧化镓闪烁晶体及其制备方法 |
CN112281215B (zh) * | 2020-09-30 | 2021-06-15 | 中国电子科技集团公司第二十六研究所 | Ce掺杂钆铝镓石榴石结构闪烁晶体提高发光均匀性、降低余晖的方法及晶体材料和探测器 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH613129A5 (ja) * | 1975-06-11 | 1979-09-14 | Prolizenz Ag | |
FR2469477A1 (fr) * | 1979-11-09 | 1981-05-22 | Rhone Poulenc Ind | Procede de fabrication de grenat polycristallin, grenat polycristallin et monocristal correspondant |
CA2042263A1 (en) * | 1990-06-29 | 1991-12-30 | Charles D. Greskovich | Transparent polycrystalline garnets |
CA2042147A1 (en) * | 1990-06-29 | 1991-12-30 | Veneta G. Tsoukala | Hole-trap-compensated scintillator material |
CN1171973C (zh) | 1997-12-24 | 2004-10-20 | 株式会社日立医药 | 磷光体和使用此磷光体的辐射探测器及使用此磷光体的x射线ct装置 |
US6246744B1 (en) | 1999-05-06 | 2001-06-12 | General Electric Company | Cubic garnet host with PR activator as a scintillator material |
US6361735B1 (en) | 1999-09-01 | 2002-03-26 | General Electric Company | Composite ceramic article and method of making |
US6793848B2 (en) * | 2001-10-11 | 2004-09-21 | General Electric Company | Terbium or lutetium containing garnet scintillators having increased resistance to radiation damage |
US7812077B2 (en) | 2003-12-17 | 2010-10-12 | Sabic Innovative Plastics Ip B.V. | Polyester compositions, method of manufacture, and uses thereof |
CN101084290B (zh) * | 2004-12-21 | 2012-07-18 | 日立金属株式会社 | 荧光材料以及其制造方法,使用荧光材料的放射线检测器,与x射线ct装置 |
US7711022B2 (en) | 2005-12-13 | 2010-05-04 | General Electric Company | Polycrystalline transparent ceramic articles and method of making same |
US7560046B2 (en) * | 2005-12-22 | 2009-07-14 | General Electric Company | Scintillator material and radiation detectors containing same |
RU2324018C2 (ru) | 2006-04-07 | 2008-05-10 | Федеральное государственное унитарное предприятие "Научно-исследовательский и технологический институт оптического материаловедения Всероссийского научного центра "Государственный оптический институт им. С.И. Вавилова" (ФГУП "НИТИОМ ВНЦ "ГОИ им. С.И. Вавилова") | Серийный способ выращивания кристаллов галлий-скандий-гадолиниевых гранатов для пассивных лазерных затворов |
JP4292421B2 (ja) | 2006-04-27 | 2009-07-08 | セイコーエプソン株式会社 | 液体噴射ヘッド及び液体噴射装置 |
CN102838992A (zh) | 2007-03-26 | 2012-12-26 | 通用电气公司 | 闪烁体及其制造方法 |
US8309640B2 (en) | 2008-05-23 | 2012-11-13 | Sabic Innovative Plastics Ip B.V. | High dielectric constant laser direct structuring materials |
US8450412B2 (en) | 2009-12-22 | 2013-05-28 | Sabic Innovative Plastics Ip B.V. | Flame retardant polyamide composition, method, and article |
CN103380194A (zh) * | 2011-01-31 | 2013-10-30 | 古河机械金属株式会社 | 闪烁体用石榴石型晶体和使用该石榴石型晶体的放射线检测器 |
CN104169392B (zh) | 2012-03-15 | 2016-06-22 | 株式会社东芝 | 固体闪烁体、放射线检测器及放射线检查装置 |
US9145517B2 (en) | 2012-04-17 | 2015-09-29 | General Electric Company | Rare earth garnet scintillator and method of making same |
KR101691964B1 (ko) | 2012-09-28 | 2017-01-02 | 사빅 글로벌 테크놀러지스 비.브이. | 개선된 이형 폴리카보네이트 조성물 |
DE112014000521B4 (de) * | 2013-01-23 | 2023-05-11 | University Of Tennessee Research Foundation | Vorrichtung umfassend einen szintillator vom granat-typ und einen photodetektor sowie verfahren umfassend die verwendung dieser vorrichtung |
WO2015118533A1 (en) | 2014-02-04 | 2015-08-13 | Yissum Research Development Company Of The Hebrew University Of Jerusalem Ltd | Methods for fabricating 3-dimentional scintillators |
RU2670919C9 (ru) * | 2014-05-01 | 2018-12-12 | Тохоку Техно Арч Ко., Лтд. | Люминофор и детектор излучения |
US10150914B2 (en) * | 2015-11-25 | 2018-12-11 | Siemens Medical Solutions Usa, Inc. | Ceramic phoswich with fused optical elements, method of manufacture thereof and articles comprising the same |
US9650569B1 (en) | 2015-11-25 | 2017-05-16 | Siemens Medical Solutions Usa, Inc. | Method of manufacturing garnet interfaces and articles containing the garnets obtained therefrom |
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