OXIDE SUPERCONDUCTING WIRE AND METHOD FOR MANUFACTURING SAME

• Main Authors: HIRATA WATARU, FUJITA SHINJI
• Format: Patent
• Language: Chinese; English
• Published: 09.03.2021
• Subjects: BASIC ELECTRIC ELEMENTS; CABLES; CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F; CONDUCTORS; DIFFUSION TREATMENT OF METALLIC MATERIAL; ELECTRICITY; INDUCTANCES; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; INORGANIC CHEMISTRY; INSULATORS; MAGNETS; METALLURGY; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; TRANSFORMERS

The present invention provides an oxide superconducting wire in which a superconducting layer is laminated on a substrate, wherein: the superconducting layer has an RE-Ba-Cu-O-based oxide superconductor and an artificial pin containing ABO3; RE represents a rare earth element, A represents Ba, Sr, or Ca, and B represents Hf, Zr, or Sn; the standard deviation sigma of the angle of inclination of the artificial pin with respect to the thickness direction of the superconducting layer is in the range of 6.13-11.73 degrees in a cross-sectional TEM image of the superconducting layer; and the averagelength of the artificial pin is in the range of 19.84-25.44 nm. 本发明涉及在基板层叠有超导层的氧化物超导线材，其中，超导层具有RE－Ba－Cu－O系氧化物超导体和含有ABO3的人工钉扎，RE表示稀土元素，A表示Ba、Sr或Ca，B表示Hf、Zr或Sn，在超导层的截面TEM图像中，人工钉扎相对于超导层的厚度方向的倾斜角的标准偏差σ为6.13～11.73°的范围，人工钉扎的平均长度为19.84～25.44nm的范围。