PROBLEM TO BE SOLVED: To provide a method for increasing the pinning properties of a superconducting material for magnet application and power transmission, and a method for improving its high magnetic field properties.SOLUTION: Th superconductor comprises a superconducting material, and the superconducting material includes magnetic impurities and nonmagnetic disorder. At least one of the upper critical magnetic field and critical current density of the superconducting material including the magnetic impurities and the nonmagnetic disorder is higher than that of a superconducting material including magnetic impurities and also including no nonmagnetic disorder.COPYRIGHT: (C)2014,JPO&INPIT【課題】磁石用途と送電のために、超電導材料のピンニング特性を増大させる方法、及び、ひいては、高磁場特性を改良する方法を提供する。【解決手段】超電導材料を含み、この超電導材料は、その内部に形成された磁性不純物と非磁性無秩序性とを含む。前記磁性不純物と前記非磁性無秩序性を含む前記超電導材料の上部臨界磁場及び臨界電流密度のうち少なくとも1つは、磁性不純物を含み且つ非磁性無秩序性を含まない超電導材料のそれより大きい、超電導体。【選択図】図1
