A new high temperature superconductor with transition temperature above 120 K is disclosed. The superconductor in a preferred embodiment comprises TlRBaCuO wherein R is chosen from Group 2A elements excluding Ba. In another preferred embodiment, the superconductor comprises TlSrCuO. Processes for making high temperature superconductors are also disclosed.
The University of Arkansas (Little Rock, AR)
Sheng, Zhengzhi and Hermann, Allen M., "High temperature superconductors comprising Tl-Ca-Ba-O, Tl-Sr-Ba-Cu-O, or Tl-Sr-Cu-O" (1991). Patents Granted. 249.