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(Sm2-aYa) Ba4CuBiO10 nano-powder and method for improving performance of single-domain SmBCO bulk superconductor by using (Sm2-aYa) Ba4CuBiO10 nano-powder
The invention provides (Sm2-aYa) Ba4CuBiO10 nano-powder and a method for improving the performance of a single-domain SmBCO superconducting block by using the (Sm2-aYa) Ba4CuBiO10 nano-powder. The value range of a of nano-particles is that a is more than or equal to 0 and less than or equal to 2; the preparation method of the (Sm < 2-a > Ya) Ba4CuBiO10 nano-particles comprises the following steps: (1) mixing Sm < 2 > O < 3 >, Y2O3, Ba2CO3, CuO and Bi2O3 according to different molar ratios of all the components; (2) ball-milling the powder mixed in the step (1) for 2-3 hours; (3) grinding the mixed powder for 0.5 to 1 hour; 4) sintering the powder ground in the step 3) for 24 hours, and performing ball milling on the sintered powder for 2 hours; (5) repeating the step (4) for at least three times to obtain (Sm2-aYa) Ba4CuBiO10 powder; according to the SmBCO superconductive bulk material and the preparation method thereof, the (Sm2-aYa) Ba4CuBiO10 (a is greater than or equal to 0 and less than or equal to 2) nano powder is provided by a method of replacing an Sm element in an REM2411 phase with a Y element, and the performance of the SmBCO superconductive bulk material is improved by doping the nano powder into the SmBCO superconductive bulk material.
本发明提供了一种(Sm2‑aYa)Ba4CuBiO10纳米粉体及用其改善单畴SmBCO超导块材性能的方法，所述纳米颗粒的a的取值范围是0≤a≤2；所述的(Sm2‑aYa)Ba4CuBiO10纳米颗粒的制备方法，包括以下步骤：1)、将Sm2O3、Y2O3、Ba2CO3、CuO、Bi2O3以各组份的不同的摩尔比混合；2)、将步骤1)中混合好的粉体球磨2h～3h；3)、将混合好的粉体研磨0.5‑1h；4)、将步骤3)研磨好的粉体烧结24h，将烧结后的粉体再球磨2h；5)、将步骤4)至少重复3次，以得到(Sm2‑aYa)Ba4CuBiO10粉体；通过用Y元素替代REM2411相中Sm元素的方法，提供了一种(Sm2‑aYa)Ba4CuBiO10(0≤a≤2)纳米粉体，并通过将该纳米粉体掺杂在SmBCO超导块材中，提高了SmBCO超导块材的性能。
(Sm2-aYa) Ba4CuBiO10 nano-powder and method for improving performance of single-domain SmBCO bulk superconductor by using (Sm2-aYa) Ba4CuBiO10 nano-powder
The invention provides (Sm2-aYa) Ba4CuBiO10 nano-powder and a method for improving the performance of a single-domain SmBCO superconducting block by using the (Sm2-aYa) Ba4CuBiO10 nano-powder. The value range of a of nano-particles is that a is more than or equal to 0 and less than or equal to 2; the preparation method of the (Sm < 2-a > Ya) Ba4CuBiO10 nano-particles comprises the following steps: (1) mixing Sm < 2 > O < 3 >, Y2O3, Ba2CO3, CuO and Bi2O3 according to different molar ratios of all the components; (2) ball-milling the powder mixed in the step (1) for 2-3 hours; (3) grinding the mixed powder for 0.5 to 1 hour; 4) sintering the powder ground in the step 3) for 24 hours, and performing ball milling on the sintered powder for 2 hours; (5) repeating the step (4) for at least three times to obtain (Sm2-aYa) Ba4CuBiO10 powder; according to the SmBCO superconductive bulk material and the preparation method thereof, the (Sm2-aYa) Ba4CuBiO10 (a is greater than or equal to 0 and less than or equal to 2) nano powder is provided by a method of replacing an Sm element in an REM2411 phase with a Y element, and the performance of the SmBCO superconductive bulk material is improved by doping the nano powder into the SmBCO superconductive bulk material.
本发明提供了一种(Sm2‑aYa)Ba4CuBiO10纳米粉体及用其改善单畴SmBCO超导块材性能的方法，所述纳米颗粒的a的取值范围是0≤a≤2；所述的(Sm2‑aYa)Ba4CuBiO10纳米颗粒的制备方法，包括以下步骤：1)、将Sm2O3、Y2O3、Ba2CO3、CuO、Bi2O3以各组份的不同的摩尔比混合；2)、将步骤1)中混合好的粉体球磨2h～3h；3)、将混合好的粉体研磨0.5‑1h；4)、将步骤3)研磨好的粉体烧结24h，将烧结后的粉体再球磨2h；5)、将步骤4)至少重复3次，以得到(Sm2‑aYa)Ba4CuBiO10粉体；通过用Y元素替代REM2411相中Sm元素的方法，提供了一种(Sm2‑aYa)Ba4CuBiO10(0≤a≤2)纳米粉体，并通过将该纳米粉体掺杂在SmBCO超导块材中，提高了SmBCO超导块材的性能。
(Sm2-aYa) Ba4CuBiO10 nano-powder and method for improving performance of single-domain SmBCO bulk superconductor by using (Sm2-aYa) Ba4CuBiO10 nano-powder
一种（Sm2-aYa）Ba4CuBiO10纳米粉体及用其改善单畴SmBCO超导块材性能的方法
YANG WANMIN (Autor:in) / ZAN YATING (Autor:in)
07.05.2024
Patent
Elektronische Ressource
Chinesisch
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