| 摘要 |
The invention relates to metal oxide ceramics exhibiting superconductivity at elevated temperatures and/or useful as electrodes, electrolytes or catalysts, the metal oxide ceramic having the formula Rn+1-u-sAuMm+eCunOw where R and A are each any of or any combination of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb, Lu, Ca, Sr, Ba, Li, Na, K, Rb or Cs, M is any of or any combination of Cu, Bi, Sb, Pb, Tl or any other transition metal, Cu is Cu or Cu partially substituted by any of or any combination of Bi, Sb, Pb, Tl or any other transition metal, O is O or O partially substituted by any of N, P, S, Se or F. |
