(Hg or Pb)-Pr-Tl-Sr-Cu-O based superconductors

Superconductor technology: apparatus – material – process – High temperature – per se – Thallium containing

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505779, 505783, 505126, 423263, 423593, 252521, 501126, 501127, H01L 3912, C04B 3545, C04B 3550

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054985943

ABSTRACT:
A high temperature superconducting system comprising M--R--Tl--Sr--Cu--O wherein: M is at least one compound selected from the group consisting of Hg, Pb, K, and Al; and R represents rare earth metals. In one embodiment, a composition forms a 93K superconducting phase having the composition: M--R--Tl--Sr--Cu--O wherein: M is selected from the group consisting of Hg and Al; and R is a rare earth metal. In another embodiment, the composition comprises M--R--Tl--Sr--Cu--O wherein: M is selected from the group of Pb and/or K; and R is a rare earth metal.

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