R-Tl-Sr-Ca-Cu-O superconductors

Details R-Tl-Sr-Ca-Cu-O superconductors R-Tl-Sr-Ca-Cu-O superconductors

1988-09-29

1991-07-30

Lieberman, Paul

Superconductor technology: apparatus, material, process

High temperature , per se

Having tc greater than or equal to 150 k

252521, 423604, 423624, 423635, 501123, 502346, 505783, C01F 1102, C01F 1700, C01G 302, C01G 1500

Patent

active

050360442

ABSTRACT:
A high temperature superconductor system is provided having the following formula: M-A-B-C-D-E, wherein, M is a metallic element, A is an element in Group 3A, B is an element in Group 2A, C is another element in Group 2A, D is an element in Group 1B, and E is an element in Group 6A. In an embodiment, the high temperature superconductor has the following formula: R-Tl-Sr-Ca-Cu-O (wherein R is chosen from the group consisting of La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and Y). Processes for making these high temperature superconductors are also disclosed.

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