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Novel superconductive film material and preparation method thereof

A technology of a superconducting thin film and a manufacturing method, which is applied in the manufacture/processing of superconducting devices, superconducting devices, superconducting parts, etc. The effect of broad application prospects

Inactive Publication Date: 2018-04-06
蒋艳玲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this method has encountered many difficulties when it comes to practical application, the irradiated material is radioactive, and it is not feasible from an economic point of view

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A new type of superconducting thin film material, composed of the following components according to mass percentage: 6.9% yttrium trifluoroacetate, 8.0% copper trifluoroacetate, 12.8% barium trifluoroacetate, 2.5% terpineol, 1.0% methanol, acetylacetone 10.5% titanium, 6.5% zirconium acetylacetonate and the balance niobium. During preparation, mix yttrium hydrochloric acid solution, barium hydrochloric acid solution, titanium hydrochloric acid solution, zirconium hydrochloric acid solution and niobium hydrochloric acid solution evenly, stir with a magnetic stirrer for 1-3 hours, remove water, and obtain pure gel; add terpineol, The precursor solution was prepared and applied on the substrate for low-temperature thermal decomposition at a heating rate of 40°C / h; after the treated substrate was heat-treated, it was then annealed for 1.5 hours to obtain a high-temperature super conductive film material.

Embodiment 2

[0026] A new type of superconducting thin film material, composed of the following components according to mass percentage: 8.0% yttrium trifluoroacetate, 6.5% copper trifluoroacetate, 12.8% barium trifluoroacetate, 2.5% terpineol, 1.0% methanol, acetylacetone 10.5% titanium, 6.5% zirconium acetylacetonate and the balance niobium. During preparation, mix yttrium hydrochloric acid solution, barium hydrochloric acid solution, titanium hydrochloric acid solution, zirconium hydrochloric acid solution and niobium hydrochloric acid solution evenly, stir with a magnetic stirrer for 1-3 hours, remove water, and obtain pure gel; add terpineol, Precursor solution is prepared, and coated on the substrate for low-temperature thermal decomposition; after the treated substrate is heat-treated, annealing heat treatment is performed, and the annealing heat treatment time is 1.5 hours, and a high-temperature superconducting thin film material is obtained.

Embodiment 3

[0028] A new type of superconducting thin film material, composed of the following components according to mass percentage: 7.9% yttrium trifluoroacetate, 8.0% copper trifluoroacetate, 10.5% barium trifluoroacetate, 2.5% terpineol, 1.0% methanol, acetylacetone 10.5% titanium, 6.5% zirconium acetylacetonate and the balance niobium. During preparation, mix yttrium hydrochloric acid solution, barium hydrochloric acid solution, titanium hydrochloric acid solution, zirconium hydrochloric acid solution and niobium hydrochloric acid solution evenly, stir with a magnetic stirrer for 1-3 hours, remove water, and obtain pure gel; add terpineol, Precursor solution is prepared, and coated on the substrate for low-temperature thermal decomposition; after the treated substrate is heat-treated, annealing heat treatment is performed, and the annealing heat treatment time is 1.5 hours, and a high-temperature superconducting thin film material is obtained.

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PUM

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Abstract

The invention relates to a novel superconductive film material and a preparation method thereof. The novel superconductive film material comprises, by mass, 4.5-8.0% of yttrium trifluoroacetate, 6.5-9.0% of copper trifluoroacetate, 10.5-13% of barium trifluoroacetate, 2.3-3.5% of terpineol, 1.0-1.5% of methanol, 9.0-13.0% of titanium acetylacetonate and 5.5-8.0% of zirconium acetylacetonate with the balance being niobium. During preparation, various hydrochloric acid solutions are supplied; uniform mixing is carried out; stirring is carried out; the water is removed; a precursor is obtained, the precursor is coated on a substrate, and low temperature thermal decomposition is carried out; after heat treatment, annealing heat treatment is carried out to obtain the novel superconductive filmmaterial. The method is advantaged in that plenty of component and dosage screening experiments are carried out at the early stage, the current carrying capability of the film material is greatly improved, production cost of the coating conductor is reduced, the application scope of the superconductive film material is expanded, and the method has wide application prospects.

Description

technical field [0001] The invention belongs to the technical field of superconducting materials, and in particular relates to a novel superconducting thin film material and a manufacturing method thereof. Background technique [0002] Due to its unique physical properties (zero resistance, diamagnetism, tunnel effect, etc.), superconducting materials have attracted the attention of many scientists for nearly a century. Devices and equipment such as superconducting cables, superconducting transformers, superconducting motors, superconducting current limiters, and superconducting energy storage systems made of superconducting materials have the advantages of small size, light weight, high efficiency, and energy consumption that cannot be compared with conventional products. It has the advantages of low cost and large capacity, and has broad application prospects in the field of electric power. In order to realize the application of high-temperature superconducting materials ...

Claims

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Application Information

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IPC IPC(8): H01L39/12H01L39/24
CPCH10N60/857H10N60/0268
Inventor 蒋艳玲
Owner 蒋艳玲