Superconducting material and preparation method thereof
A technology of superconducting materials and substances, applied in the field of materials, which can solve problems such as not ideal and unstable
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Embodiment 1
[0025] According to the preparation method provided by the present invention to carry out superconducting materials, the preparation steps are as follows:
[0026] (1) configure the nitrate mixed solution of yttrium, aluminum, nickel, lithium and zinc, wherein the molar concentration of yttrium nitrate is 0.1mol / L, the molar concentration of aluminum nitrate is 0.5mol / L, and the molar concentration of nickel nitrate The molar concentration of the substance is 0.1mol / L, that of lithium nitrate is 0.2mol / L, and that of zinc nitrate is 0.3mol / L;
[0027] (2) Add citric acid in the mixed solution, the concentration of the substance of citric acid is 0.3mol / L, and the pH adjustment is 7;
[0028] (3) The above-mentioned mixed solution is heated and concentrated until the gel is completely burned to form a powder;
[0029] (4) Put the powder into a ball mill and grind evenly;
[0030] (5) Put the ground powder into a high-temperature furnace for calcination at a temperature of 120...
Embodiment 2
[0033] According to the preparation method provided by the present invention to carry out superconducting materials, the preparation steps are as follows:
[0034] (1) configure the nitrate mixed solution of yttrium, aluminum, nickel, lithium and zinc, wherein the molar concentration of yttrium nitrate is 0.1mol / L, the molar concentration of aluminum nitrate is 0.9mol / L, and the molar concentration of nickel nitrate The molar concentration of the substance is 0.3mol / L, that of lithium nitrate is 0.6mol / L, and that of zinc nitrate is 0.7mol / L;
[0035] (2) Add citric acid in the mixed solution, the concentration of the substance of citric acid is 0.3mol / L, and the pH adjustment is 7;
[0036] (3) The above-mentioned mixed solution is heated and concentrated until the gel is completely burned to form a powder;
[0037] (4) Put the powder into a ball mill and grind evenly;
[0038] (5) Put the ground powder into a high-temperature furnace for calcination at a temperature of 145...
Embodiment 3
[0041] According to the preparation method provided by the present invention to carry out superconducting materials, the preparation steps are as follows:
[0042] (1) configure the nitrate mixed solution of yttrium, aluminum, nickel, lithium and zinc, wherein the molar concentration of yttrium nitrate is 0.1mol / L, the molar concentration of aluminum nitrate is 0.9mol / L, and the molar concentration of nickel nitrate The molar concentration of the substance is 0.2mol / L, that of lithium nitrate is 0.4mol / L, and that of zinc nitrate is 0.4mol / L;
[0043] (2) add citric acid in mixed solution, the amount concentration of the substance of citric acid is 0.25mol / L, adjusts pH to be 7;
[0044] (3) The above-mentioned mixed solution is heated and concentrated until the gel is completely burned to form a powder;
[0045] (4) Put the powder into a ball mill and grind evenly;
[0046] (5) Put the ground powder into a high-temperature furnace for calcination at a temperature of 1300° C...
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