Patent ID: 6605569
Filing Date: 2003-08-12
Classification: H01L,Y10S

Abstract:
A method of producing a Mg-doped high-temperature superconductor having low superconducting anisotropy, comprising supplying a superconductor comprising Cu1âˆ’xMx(Ba1âˆ’ySry)2(Ca1âˆ’zMgz)nâˆ’1CunO2n+4âˆ’w (in which M is at least one selected from a group consisting of Tl, Hg, Bi, Pb, Au, In, Sn, Mg, Ag, Mo, Re, Os, Cr, V, Fe, and lanthanide elements, 0&lE;x<1, 0&lE;y<1, 01âˆ’xMx(Ba1âˆ’yâˆ’mSryRm)2(Ca1âˆ’zMgz)nâˆ’1CunO2n+4âˆ’w (in which R is at least one selected from the group consisting of La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, with 0&lE;m<1, 0&lE;y+m&lE;1, 0&lE;x<1, 0&lE;y<1, 0