Rao, C. N. R. ; Ganguli, A. K. ; Vijayaraghavan, R. (1989) Superconducting (1:1:2:2)-type layered cuprates of the formula TlCA1−xLxSr2Cu2Oy (L=Y or rare-earth element) Physical Review B: Condensed Matter and Materials Physics, 40 (4). pp. 2565-2567. ISSN 1098-0121
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Official URL: http://prb.aps.org/abstract/PRB/v40/i4/p2565_1
Related URL: http://dx.doi.org/10.1103/PhysRevB.40.2565
Abstract
The TlCa1−xLxSr2Cu2Oy (L=Y or a rare earth element) series of cuprates possessing a (1:1:2:2)-type layered structure exhibit superconductivity in the 60-90-K region. The TlCa1−xLxSr2Cu2Oy (x=1) series of cuprates also possess the (1:1:2:2)-type structure, but are not superconducting. A change in the conduction mechanism seems to occur in the TlCa1−xLxSr2Cu2Oy system with a change in x. Partial substitution of Tl by Pb does not favor superconductivity in this series of cuprates.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 39949 |
| Deposited On: | 20 May 2011 08:15 |
| Last Modified: | 27 May 2011 11:50 |
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