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Superconducting (1:1:2:2)-type layered cuprates of the formula $TlCa_{1-x}L_xSr_2Cu_2O_y$ (L=Y or rare-earth element)

Rao, CNR and Ganguli, AK and Vijayaraghavan, R (1989) Superconducting (1:1:2:2)-type layered cuprates of the formula $TlCa_{1-x}L_xSr_2Cu_2O_y$ (L=Y or rare-earth element). In: Physical Review B: Condensed Matter and Materials Physics, 40 (4). pp. 2565-2567.

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The $TlCa_{1-x}L_xSr_2Cu_2O_y$ (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 $TlCa_{1-x}L_xSr_2Cu_2O_y$ (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 $TlCa_{1-x}L_xSr_2Cu_2O_y$system with a change in x. Partial substitution of Tl by Pb does not favor superconductivity in this series of cuprates

Item Type: Journal Article
Additional Information: Copyright of this article belongs to The American Physical Society
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 12 Feb 2008
Last Modified: 19 Sep 2010 04:42
URI: http://eprints.iisc.ac.in/id/eprint/12765

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