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.
US4962083; AU604397 (B2); JPH0696450 (B2)
University of Arkansas (Fayetteville, AR)
Hermann, Allen M. and Sheng, Zhengzhi, "High temperature Tl-Ba-Ca-Cu-O and Tl-Sr-Cu-O superconductor" (1990). Patents Granted. 258.