Yttrium lithium fluoride-doped scintillating microcrystal and preparation method and application thereof

A technology of yttrium lithium fluoride and heteroyttrium fluoride is applied in the field of doped yttrium lithium fluoride scintillation crystallites and their preparation, which can solve the problems of limited mass production and harsh condition control, and achieve excellent scintillation performance and size. Uniform size and good crystallite transparency

Inactive Publication Date: 2018-11-27
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
View PDF9 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the high-temperature solvothermal method can obtain nanocrystals with stable and uniform size and excellent performance, it also has the dilemma of harsh control conditions and limited mass production.
[0004] At present, there are many domestic reports on the preparation of scintillation glass-ceramics, such as a preparation method of borosilicate scintillation glass-ceramics involved in patent CN102910826B, and a method involving GdTaO embedded in patent CN105399004A. 4 Scintillating glass-ceramics of microcrystalline phase and its preparation method, etc., but there are few reports on the preparation of fluoride series scintillating microcrystalline particles, especially in the preparation of yttrium lithium fluoride scintillating microcrystalline particles by hydrothermal method. rarely reported

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Yttrium lithium fluoride-doped scintillating microcrystal and preparation method and application thereof
  • Yttrium lithium fluoride-doped scintillating microcrystal and preparation method and application thereof
  • Yttrium lithium fluoride-doped scintillating microcrystal and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] Weigh the following reaction materials: LiF, NH 4 F, Y (NO 3 ) 3 ·6H 2 O, Ce(NO 3 ) 3 ·6H 2 O, PrCl 3 , the quality of the raw material is according to the chemical formula LiCe 0.02 PR x Y 0.98-x f 4 The molar ratio of each atom in is weighed, where x=0.01. In LiF and NH 4 Add 10ml of distilled water to F, stir to form mixed solution M, the concentration of LiF in solution M is 1mol / L; then in Y(NO 3 ) 3 ·6H 2 O, Ce(NO 3 ) 3 ·6H 2 O and PrCl 3 Add 10ml of distilled water to the solution, stir and dissolve to form solution N, and Ce(NO 3 ) 3 The concentration of the concentration is 0.02mol / L; Adding mass fraction in solution N simultaneously is the complexing agent of 3.0% (complexing agent accounts for the mass fraction of reactant total mass), and wherein complexing agent is ethylenediaminetetraacetic acid; Then, The solution N containing the complexing agent is mixed with the mixed solution M to form the final mixed solution A, accompanied by vig...

Embodiment 2

[0084] Weigh the following reaction materials: LiF, NH 4 F, Y (NO 3 ) 3 ·6H 2 O, Ce(NO 3 ) 3 ·6H 2 O, PrCl 3 , the quality of the raw material is according to the chemical formula LiCe 0.02 PR x Y 0.98-x f 4 The molar ratio of each atom in is weighed, where x=0.02. In LiF and NH 4 Add 12ml of distilled water to F, stir to form mixed solution M, the concentration of LiF in solution M is 0.833mol / L; 3 ) 3 ·6H 2 O, Ce(NO 3 ) 3 ·6H 2 O and PrCl 3 Add 8ml of distilled water to the solution, stir and dissolve to form solution N, Ce(NO 3 ) 3 The concentration of is 0.025mol / L; Adding the complexing agent that mass fraction is 2.5% (complexing agent accounts for the mass fraction of reactant total mass) simultaneously in solution N, wherein complexing agent is sodium hexametaphosphate; Then, will The solution N containing the complexing agent is mixed with the mixed solution M to form the final mixed solution A, accompanied by vigorous stirring; moreover, the fully...

Embodiment 3

[0086] Weigh the following reaction materials: LiF, NH 4 F, Y (NO 3 ) 3 ·6H 2 O, Ce(NO 3 ) 3 ·6H 2 O, PrCl 3 , the quality of the raw material is according to the chemical formula LiCe 0.02 PR x Y 0.98-x f 4 The molar ratio of each atom in is weighed, where x=0.03. In LiF and NH 4 Add the distilled water of 14ml in F, stir to form mixed solution M, the concentration of LiF in the solution M is 0.714mol / L; Then in Y(NO 3 ) 3 ·6H 2 O, Ce(NO 3 ) 3 ·6H 2 O and PrCl 3 Add 6ml of distilled water to the solution, stir and dissolve to form solution N, Ce(NO 3 ) 3 The concentration of the concentration is 0.033mol / L; Add the complexing agent that mass fraction is 2.0% (complexing agent accounts for the mass fraction of reactant total mass) simultaneously in solution N, wherein complexing agent is aminotrimethylene phosphonic acid; Then , the solution N containing the complexing agent is mixed with the mixed solution M to form the final mixed solution A, accompanied ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
sizeaaaaaaaaaa
sizeaaaaaaaaaa
sizeaaaaaaaaaa
Login to view more

Abstract

The application discloses yttrium lithium fluoride-doped scintillating microcrystal and a preparation method thereof. The yttrium lithium fluoride-doped scintillating microcrystal has a chemical formula shown as formula I: LiM10.02M2xY0.98-xF4, wherein M1 and M2 are selected from rare-earth elements, and 0.01<x<0.06. The yttrium lithium fluoride-doped scintillating microcrystal is 8-15 mu m in size that is of micrometer level, has good transparency and good size uniformity, has good scintillating property, has the potential of large-scale production, and has the potential application value inthe field of high-energy ray detection.

Description

technical field [0001] The invention belongs to the technical field of scintillation material preparation, in particular to a scintillation microcrystal doped with yttrium lithium fluoride and its preparation method and application. Background technique [0002] Scintillation counter is mainly composed of three parts: scintillator, light collection system and photoelectric device, and is one of the most important ray detectors at present. It is widely used in nuclear physics, industrial nondestructive testing, nuclear medicine, high energy physics, radioactive dosimetry, nuclear prospecting and safety inspection, and has become an important observation instrument in X-ray and γ-ray astronomy. The scintillator material, one of its core components, is a substance that can emit light when irradiated by radiation. It is mainly composed of inorganic scintillator and organic scintillator, and exists in the state of solid, liquid and gas. Inorganic scintillators such as zinc sulfi...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): C09K11/85
CPCC09K11/7773
Inventor 邱智华吴少凡王帅华孙宝平
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap