Abstract
Two superconducting phases, Tl2Ca2Ba2Cu3O10 (2223) and Tl2Ca1Ba2Cu2)8 (2122), both with onset Tc near 120 K and zero resistivity at 100 K, have been isolated from samples in the Tl-Ca-Ba-Cu-O system. The new 2223 superconductor has a 5.40×5.40×36.253 pseudotetragonal unit cell. The 2122 superconductor, which appears to be structurally related to Bi2CaSr2Cu2O8, has a 5.44×5.44×29.553 pseudotetragonal subcell. The 2223 phase is probably related to 2122 by the addition of extra calcium and copper layers.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1657-1660 |
| Number of pages | 4 |
| Journal | Physical review letters |
| Volume | 60 |
| Issue number | 16 |
| DOIs | |
| State | Published - 1988 |
All Science Journal Classification (ASJC) codes
- General Physics and Astronomy
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