A neutron diffraction study of the superconductor, Tl0.5Pb0.5CaSr2Cu2Oy

Ganguli, A. K. ; Nanjundaswamy, K. S. ; Rao, C. N. R. ; Sequeira, A. ; Rajagopal, H. (1989) A neutron diffraction study of the superconductor, Tl0.5Pb0.5CaSr2Cu2Oy Materials Research Bulletin, 24 (7). pp. 883-888. ISSN 0025-5408

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/002554...

Related URL: http://dx.doi.org/10.1016/0025-5408(89)90052-4

Abstract

The structure of Tl0.5Pb0.5CaSr2Cu2Oy (Tc=90K) has been investigated by neutron diffraction profile analysis and the results discussed in the light of the structures of TlCaBa2CuP2Cy and TlCa0.5Y0.5Ba2Cu2Oy. We find no evidence for disorder in the Tl/Pb sites, but there is some interchange between Ca and Sr sites. The Cu---O bond distances in these cuprates seem to parallel the variation of the superconducting transition temperature in these cuprates.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Thallium; Calcium; Strontium; Lead; Copper; Oxides; Superconductor
ID Code:41933
Deposited On:31 May 2011 13:34
Last Modified:31 May 2011 13:34

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