RU2015145461A - Смешаннооксидные материалы - Google Patents
Смешаннооксидные материалы Download PDFInfo
- Publication number
- RU2015145461A RU2015145461A RU2015145461A RU2015145461A RU2015145461A RU 2015145461 A RU2015145461 A RU 2015145461A RU 2015145461 A RU2015145461 A RU 2015145461A RU 2015145461 A RU2015145461 A RU 2015145461A RU 2015145461 A RU2015145461 A RU 2015145461A
- Authority
- RU
- Russia
- Prior art keywords
- mixed oxide
- oxide material
- material according
- scintillator
- mixed
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims 18
- 239000007787 solid Substances 0.000 claims 3
- 238000000034 method Methods 0.000 claims 2
- 239000011812 mixed powder Substances 0.000 claims 2
- 239000000725 suspension Substances 0.000 claims 2
- -1 Tb4O7 Inorganic materials 0.000 claims 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims 1
- 229910052593 corundum Inorganic materials 0.000 claims 1
- 239000013078 crystal Substances 0.000 claims 1
- 239000002270 dispersing agent Substances 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 230000004907 flux Effects 0.000 claims 1
- QZQVBEXLDFYHSR-UHFFFAOYSA-N gallium(III) oxide Inorganic materials O=[Ga]O[Ga]=O QZQVBEXLDFYHSR-UHFFFAOYSA-N 0.000 claims 1
- 230000005865 ionizing radiation Effects 0.000 claims 1
- 238000005245 sintering Methods 0.000 claims 1
- 229910001845 yogo sapphire Inorganic materials 0.000 claims 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
- C09K11/7774—Aluminates
-
- 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]
-
- 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]
-
- 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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
-
- 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
- C09K11/62—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing gallium, indium or thallium
-
- 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
- C09K11/67—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals
- C09K11/69—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals containing vanadium
-
- 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
- G01T1/2006—Measuring radiation intensity with scintillation detectors using a combination of a scintillator and photodetector which measures the means radiation intensity
-
- 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
- G01T1/2012—Measuring radiation intensity with scintillation detectors using stimulable phosphors, e.g. stimulable phosphor sheets
- G01T1/2016—Erasing of stimulable sheets, e.g. with light, heat or the like
-
- 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
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K4/00—Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Optics & Photonics (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Measurement Of Radiation (AREA)
- Luminescent Compositions (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Claims (18)
1. Смешаннооксидный материал, имеющий формулу (YwTbx)3Al5-yGayO12:Cez, в которой 0,01 ≤ w ≤ 0,99, 0,01 ≤ x ≤ 0,99, 0 ≤ y ≤ 3,5 и 0,001 ≤ z ≤ 0,10 и в которой w + x + 3×z = 1, причем смешаннооксидный материал легирован по меньшей мере 10 млн-1 V.
2. Смешаннооксидный материал по п.1, причем материал легирован от 10 до 250 млн-1 V.
3. Смешаннооксидный материал по п.1, причем 0,1 ≤ w ≤ 0,9.
4. Смешаннооксидный материал по п.1, причем 0,1 ≤ x ≤ 0,9.
5. Смешаннооксидный материал по п.1, причем 1 ≤ y ≤ 3,5.
6. Смешаннооксидный материал по п.1, причем 0,005 ≤ z ≤ 0,05.
7. Смешаннооксидный материал по п.1, причем материал представляет собой монокристаллический или поликристаллический материал.
8. Способ получения смешаннооксидного материала по п.1, содержащий следующие этапы:
а) обеспечение Y2O3, CeO2, Tb4O7, Al2O3 и Ga2O3 в пропорциях, пригодных для получения требуемого смешанного оксида,
b) пропитывание одного или нескольких из твердых веществ по этапу а) источником V в требуемом количестве,
с) объединение и измельчение твердых веществ по этапу а) и этапу b) в присутствии подходящего диспергатора с получением суспензии,
d) высушивание суспензии по этапу с) с получением смешанного порошка, и
е) спекание смешанного порошка по этапу d) при температуре по меньшей мере 1400°С в течение по меньшей мере 1 ч.
9. Способ по п.8, причем на этапе с) при объединении твердых веществ по этапу а) и этапу b) добавляют флюс.
10. Сцинтиллятор, содержащий смешаннооксидный материал по п.1.
11. Детектор ионизирующего излучения, содержащий смешаннооксидный материал по п.1 или сцинтиллятор (32; 42; 62) по п.10 в комбинации с по меньшей мере одним фотодетектором (34; 44; 64).
12. Детектор по п.11, дополнительно содержащий второй смешаннооксидный материал или сцинтиллятор, причем второй смешаннооксидный материал или второй сцинтиллятор имеет более высокую плотность, чем смешаннооксидный материал по п.1 или сцинтиллятор по п.10.
13. КТ-сканер, содержащий по меньшей мере один детектор (18; 30; 40; 60) по п.11.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361805261P | 2013-03-26 | 2013-03-26 | |
| US61/805,261 | 2013-03-26 | ||
| PCT/IB2014/060019 WO2014155256A1 (en) | 2013-03-26 | 2014-03-21 | Mixed oxide materials |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| RU2015145461A true RU2015145461A (ru) | 2017-05-16 |
| RU2015145461A3 RU2015145461A3 (ru) | 2018-03-22 |
| RU2666431C2 RU2666431C2 (ru) | 2018-09-07 |
Family
ID=50439449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2015145461A RU2666431C2 (ru) | 2013-03-26 | 2014-03-21 | Смешаннооксидные материалы |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9315726B2 (ru) |
| EP (1) | EP2898043B1 (ru) |
| JP (1) | JP5937287B1 (ru) |
| CN (1) | CN105073949B (ru) |
| RU (1) | RU2666431C2 (ru) |
| WO (1) | WO2014155256A1 (ru) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6671839B2 (ja) * | 2014-10-07 | 2020-03-25 | キヤノン株式会社 | 放射線撮像装置及び撮像システム |
| CZ2015711A3 (cs) * | 2015-10-09 | 2016-10-19 | Crytur Spol S R O | Způsob zkrácení scintilační odezvy zářivých center scintilátoru a materiál scintilátoru se zkrácenou scintilační odezvou |
| US11000701B2 (en) * | 2017-08-01 | 2021-05-11 | Varex Imaging Corporation | Dual-layer detector for soft tissue motion tracking |
| CN108535770B (zh) * | 2018-05-09 | 2024-01-02 | 同方威视技术股份有限公司 | 余辉检测装置和余辉检测方法 |
| US11624126B2 (en) | 2020-06-16 | 2023-04-11 | Ohio State Innovation Foundation | Deposition of single phase beta-(AlxGa1-x)2O3 thin films with 0.28< =x<=0.7 on beta Ga2O3(100) or (−201) substrates by chemical vapor deposition |
| CN114296124A (zh) * | 2021-12-30 | 2022-04-08 | 上海联影医疗科技股份有限公司 | 闪烁体余辉测试系统、方法、装置和电子设备 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2834851B2 (ja) * | 1990-06-05 | 1998-12-14 | 化成オプトニクス株式会社 | タングステン酸カルシウム蛍光体及び該蛍光体を用いた放射線増感紙 |
| US6168731B1 (en) | 1997-02-24 | 2001-01-02 | Superior Micropowders Llc | Cathodoluminescent phosphor powders, methods for making phosphor powders and devices incorporating same |
| WO1999033934A1 (fr) * | 1997-12-24 | 1999-07-08 | Hitachi Medical Corporation | Luminophores et detecteurs de rayonnement et unites de tomodensitometrie formes a partir de ces luminophores |
| US5938974A (en) | 1998-09-10 | 1999-08-17 | Osram Sylvania Inc. | Yttrium tantalate x-ray phosphors with reduced persistence |
| JP4683719B2 (ja) * | 2000-12-21 | 2011-05-18 | 株式会社日立メディコ | 酸化物蛍光体及びそれを用いた放射線検出器、並びにｘ線ｃｔ装置 |
| US7008558B2 (en) * | 2001-10-11 | 2006-03-07 | General Electric Company | Terbium or lutetium containing scintillator compositions having increased resistance to radiation damage |
| US6630077B2 (en) | 2001-10-11 | 2003-10-07 | General Electric Company | Terbium- or lutetium - containing garnet phosphors and scintillators for detection of high-energy radiation |
| JP4269880B2 (ja) * | 2003-10-17 | 2009-05-27 | 日亜化学工業株式会社 | 蛍光ランプ及び蛍光ランプ用蛍光体 |
| US7449128B2 (en) * | 2004-06-21 | 2008-11-11 | General Electric Company | Scintillator nanoparticles and method of making |
| US7252789B2 (en) | 2005-03-31 | 2007-08-07 | General Electric Company | High-density scintillators for imaging system and method of making same |
| CN101163774B (zh) | 2005-04-19 | 2011-09-07 | 皇家飞利浦电子股份有限公司 | 获得用于具有非常短余辉的CT的Gd2O2S:Pr的方法 |
| RU2009106671A (ru) | 2006-07-26 | 2010-09-10 | Конинклейке Филипс Электроникс Н.В. (Nl) | Керамический гранатовый материал на основе аиг, содержащий по меньшей мере один многоузельный элемент |
| US7569109B2 (en) * | 2006-08-23 | 2009-08-04 | General Electric Company | Single crystal scintillator materials and methods for making the same |
| 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 |
| JP5548629B2 (ja) | 2011-01-31 | 2014-07-16 | 古河機械金属株式会社 | シンチレータ用ガーネット型結晶およびこれを用いる放射線検出器 |
| 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 |
| CN102241982B (zh) * | 2011-05-20 | 2014-02-19 | 电子科技大学 | 一种led荧光粉及其制备方法 |
| JP6066608B2 (ja) * | 2011-07-27 | 2017-01-25 | キヤノン株式会社 | 相分離構造を有するシンチレータおよびそれを用いた放射線検出器 |
-
2014
- 2014-03-21 WO PCT/IB2014/060019 patent/WO2014155256A1/en active Application Filing
- 2014-03-21 JP JP2016503769A patent/JP5937287B1/ja active Active
- 2014-03-21 RU RU2015145461A patent/RU2666431C2/ru active
- 2014-03-21 CN CN201480017873.1A patent/CN105073949B/zh active Active
- 2014-03-21 EP EP14715446.2A patent/EP2898043B1/en active Active
- 2014-03-21 US US14/773,413 patent/US9315726B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105073949B (zh) | 2018-05-22 |
| EP2898043A1 (en) | 2015-07-29 |
| WO2014155256A1 (en) | 2014-10-02 |
| EP2898043B1 (en) | 2016-06-01 |
| JP5937287B1 (ja) | 2016-06-22 |
| CN105073949A (zh) | 2015-11-18 |
| RU2666431C2 (ru) | 2018-09-07 |
| US9315726B2 (en) | 2016-04-19 |
| RU2015145461A3 (ru) | 2018-03-22 |
| US20160024380A1 (en) | 2016-01-28 |
| JP2016519183A (ja) | 2016-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2015145461A (ru) | Смешаннооксидные материалы | |
| Guss et al. | Results for aliovalent doping of CeBr3 with Ca2+ | |
| RU2018106636A (ru) | Способ производства полностью керамического микроинкапсулированного ядерного топлива | |
| RU2006146017A (ru) | Флюоресцентная керамика и способ ее получения | |
| Seeley et al. | Expanded phase stability of Gd-based garnet transparent ceramic scintillators | |
| Li et al. | Effective lattice stabilization of gadolinium aluminate garnet (GdAG) via Lu3+ doping and development of highly efficient (Gd, Lu) AG: Eu3+ red phosphors | |
| Cherepy et al. | Transparent ceramic scintillators for gamma spectroscopy and MeV imaging | |
| FR2967421B1 (fr) | Materiau luminescent comprenant un silicate de terre rare dope | |
| MX2017002950A (es) | Oxido que contiene cerio y zirconio de alta porosidad. | |
| Watanabe et al. | Luminescence and scintillation properties of La-and La, Ag-doped CsPbCl3 single crystals | |
| US20170260448A1 (en) | Transparent ceramic garnet scintillator detector for positron emission tomography | |
| RU2016146155A (ru) | Люминофор и детектор излучения | |
| ATE477509T1 (de) | Schneller szintillator mit hoher lichtausbeute | |
| WO2012170390A3 (en) | Scintillation crystal including a rare earth halide, and a radiation detection system including the scintillation crystal | |
| Siqueira et al. | Effect of the processing parameters on the crystalline structure of lanthanide orthotantalates | |
| Takeda et al. | A broadband-sensitive upconverter La (Ga0. 5Sc0. 5) O3: Er, Ni, Nb for crystalline silicon solar cells | |
| Zhang et al. | Raman spectroscopic investigation of lanthana‐doped neodymium‐yttria transparent ceramics | |
| Hui et al. | Bright green emission in Ho+ 3-Yb+ 3 Co-doped Bi1/2Na1/2TiO3 ferroelectric ceramics and the optical thermometry behavior | |
| Babin et al. | Effect of the Pr3+→ Gd3+ energy transfer in multicomponent garnet single crystal scintillators | |
| Tu et al. | Influence of H3BO3 addition on mechanoluminescence property of SrAl2O4: Eu2+ | |
| Huang et al. | Antisite defect in nonstoichiometric yttrium aluminum garnet: Experimental and first-principles calculation | |
| MX2018013711A (es) | Materiales de fosforo dopados con manganeso para aplicaciones de alta densidad de potencia. | |
| Guille et al. | NaLaF4: Pr3+, Yb3+, an efficient blue to near infra-red quantum cutter | |
| RU2010137080A (ru) | Таблетка ядерного топлива и способ его изготовления | |
| Barve et al. | Synthesis and TL–OSL studies in Cu activated lithium silicate |