Superconductive thin film material and manufacturing 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

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  • Superconductive thin film material and manufacturing method thereof
  • Superconductive thin film material and manufacturing method thereof

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Experimental program
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Effect test

Embodiment 1

[0024] A superconducting thin film material, composed of the following components according to mass percentage: 2.9% yttrium trifluoroacetate, 5.8% barium trifluoroacetate, 2.5% terpineol, 10.5% acetylacetone, 6.5% acetylacetone Zirconium 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, the pH value is between 5.0-6.0, remove water to obtain pure gel; add terpineol to prepare The precursor solution is obtained, and coated on the substrate for low-temperature thermal decomposition; after the treated substrate is heat-treated, it is annealed and heat-treated to obtain a superconducting thin film material.

Embodiment 2

[0026] A superconducting thin film material, composed of the following components according to mass percentage: 3.3% yttrium trifluoroacetate, 6.8% barium trifluoroacetate, 2.5% terpineol, 11.5% acetylacetone, 6.5% acetylacetone Zirconium 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, the pH value is between 5.0-6.0, remove water to obtain pure gel; add terpineol to prepare The precursor solution is obtained, and coated on the substrate for low-temperature thermal decomposition; after the treated substrate is heat-treated, it is annealed and heat-treated to obtain a superconducting thin film material.

Embodiment 3

[0028] A superconducting thin film material is composed of the following components according to mass percentage: 3.9% yttrium trifluoroacetate, 5.8% barium trifluoroacetate, 2.5% terpineol, 12.5% ​​acetylacetone, 7.5% acetylacetone Zirconium 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, the pH value is between 5.0-6.0, remove water to obtain pure gel; add terpineol to prepare The precursor solution is obtained, and coated on the substrate for low-temperature thermal decomposition; after the treated substrate is heat-treated, it is annealed and heat-treated to obtain a superconducting thin film material.

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Abstract

The invention relates to a superconductive thin film material and a manufacturing method thereof. The superconductive thin film material comprises, by mass, 2.5-4.3% of yttrium trifluoroacetate, 5.0-7.5% of barium trifluoroacetate, 2.3-3.5% of terpineol, 8.9-12.5% of titanium acetylacetonate, 5.5-8.0% of zirconium acetylacetonate with the balance being niobium. A method for manufacturing the superconductive thin film material comprises steps that various hydrochloric acid solutions are supplied according to the stoichiometric ratio; uniform mixing is carried out; a pH value is adjusted; the water is removed to obtain pure gel; the terpineol is added to obtain a precursor liquid, and the precursor liquid is coated on a substrate for low temperature thermal decomposition; for the treated substrate after heat treatment, annealing heat treatment is carried out to obtain the superconductive thin film material. The method is advantaged in that plenty of component and dosage screening experiments are carried out at the early stage, accidental discovery is realized, the current carrying capability of the thin film material is greatly improved, production cost of a coating conductor is reduced, the application scope of the superconductive thin 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 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 in the...

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
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