Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of nickel-based superconductor precursor with infinite layer
The invention discloses a preparation method of an infinite layer nickel-based superconductor precursor. The method comprises the following steps: dissolving neodymium nitrate, strontium nitrate and nickel nitrate in water according to a stoichiometric ratio to obtain nitric acid gel, putting the obtained nitric acid gel into a drying oven for concentration, then crushing a dried product by using an agate mortar, putting the crushed dried product into a mold, and sintering in a high-temperature and high-pressure furnace to obtain the neodymium-strontium-nickel composite material. The nickel-based superconductor precursor Nd < 1-x > Sr < x > NiO < 3 > with infinite layers is obtained. The sol-gel method and the high-temperature and high-pressure furnace are combined, the method has the advantages of being high in flexibility, simple in preparation condition, simple and convenient in operation process, short in period and good in product stability, the bulk superconductor precursor can be prepared, and the product stability is high; the method provided by the invention effectively solves the problems that the existing method has harsh requirements on experimental environment, experimental equipment is tedious to operate and the like.
本发明公开了一种无限层镍基超导体前驱体的制备方法。所述方法包括以下步骤：将硝酸钕、硝酸锶和硝酸镍按化学计量比溶解于水中，得到硝酸凝胶，将所得硝酸凝胶放入烘箱中进行浓缩，随后将烘干产物用玛瑙研钵粉碎后装入到模具中，将其放置在高温高压炉中烧结，得到无限层镍基超导体前驱体Nd1‑xSrxNiO3。本发明将溶胶凝胶法与高温高压炉结合，具有灵活性强，制备条件简单，操作过程简便，周期短，产品稳定性好的优点，可以制备出大块超导体前驱体且产品稳定性高，本发明方法有效的解决了现有方法对实验环境要求苛刻、实验设备操作繁琐等问题。
Preparation method of nickel-based superconductor precursor with infinite layer
The invention discloses a preparation method of an infinite layer nickel-based superconductor precursor. The method comprises the following steps: dissolving neodymium nitrate, strontium nitrate and nickel nitrate in water according to a stoichiometric ratio to obtain nitric acid gel, putting the obtained nitric acid gel into a drying oven for concentration, then crushing a dried product by using an agate mortar, putting the crushed dried product into a mold, and sintering in a high-temperature and high-pressure furnace to obtain the neodymium-strontium-nickel composite material. The nickel-based superconductor precursor Nd < 1-x > Sr < x > NiO < 3 > with infinite layers is obtained. The sol-gel method and the high-temperature and high-pressure furnace are combined, the method has the advantages of being high in flexibility, simple in preparation condition, simple and convenient in operation process, short in period and good in product stability, the bulk superconductor precursor can be prepared, and the product stability is high; the method provided by the invention effectively solves the problems that the existing method has harsh requirements on experimental environment, experimental equipment is tedious to operate and the like.
本发明公开了一种无限层镍基超导体前驱体的制备方法。所述方法包括以下步骤：将硝酸钕、硝酸锶和硝酸镍按化学计量比溶解于水中，得到硝酸凝胶，将所得硝酸凝胶放入烘箱中进行浓缩，随后将烘干产物用玛瑙研钵粉碎后装入到模具中，将其放置在高温高压炉中烧结，得到无限层镍基超导体前驱体Nd1‑xSrxNiO3。本发明将溶胶凝胶法与高温高压炉结合，具有灵活性强，制备条件简单，操作过程简便，周期短，产品稳定性好的优点，可以制备出大块超导体前驱体且产品稳定性高，本发明方法有效的解决了现有方法对实验环境要求苛刻、实验设备操作繁琐等问题。
Preparation method of nickel-based superconductor precursor with infinite layer
一种无限层镍基超导体前驱体的制备方法
MO GUANQING (Autor:in) / LIU YUTONG (Autor:in) / XU TAO (Autor:in) / ZHAO YONG (Autor:in)
09.12.2022
Patent
Elektronische Ressource
Chinesisch
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