Gangulia, AK and Vijayaraghavana, R and Rao, CNR (1989) Novel 1122 thallium cuprates showing high Tc superconductivity: TlCa1-xY,Ba2Cu2Oy,T,1-xPbxCaSr2Cu2Oy and TlCa0.5Ln0.5Sr2Cu2Oy. In: Phase Transitions: A Multinational Journal, 19 (4). 213 -222.
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Abstract
Substitution of Ca by Y in TlCaBa2Cu2Oy does not favour superconductivity, but substitution of Tl by Pb or of Ca by Ln (Ln = Y or rare earth) in TlCaSr2Cu2Oy results in high Tc superconductivity (Tc π 60-90 K). TlCa1-xLnxSr2Cu2Oy is a new series of high Tc superconductors, but the x = 0.0 composition does not exhibit bulk superconductivity.
| Item Type: | Journal Article |
|---|---|
| Publication: | Phase Transitions: A Multinational Journal |
| Publisher: | Taylor and Francis Group |
| Additional Information: | Copyright of this article belongs to Taylor and Francis Group. |
| Keywords: | TlCa1-xYxBa2Cu2Oy;Tl1-xPbxCaSr2Cu2Oy;TlCa0.5Ln0.5Sr2Cu2Oy; TlCa1-xLnxSr2Cu2Oy;high temperature superconductivity. |
| Department/Centre: | Division of Chemical Sciences > Solid State & Structural Chemistry Unit |
| Date Deposited: | 16 Jul 2010 07:24 |
| Last Modified: | 16 Jul 2010 07:24 |
| URI: | http://eprints.iisc.ac.in/id/eprint/29310 |
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