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Superconductivity in the lanthanum lanthanide barium strontium copper oxide $((La,Ln)2-x(Ba,Sr)xCuO_4)$.

Ram, Mohan RA and Ganguly, P and Rao, CNR (1987) Superconductivity in the lanthanum lanthanide barium strontium copper oxide $((La,Ln)2-x(Ba,Sr)xCuO_4)$. In: Phase Transitions, 10 (1-2). pp. 107-121.

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Abstract

Several $(La1-yLny)2-xSrx(Bax)CuO_4$ systems show supercond. in the 15-40 K region. Marginal metalicity of the non-superconducting phases and the role of the nominal $Cu^3^+/Cu^2^+$ ratio are discussed. The possible importance of hole-hole coupling (forming resonating O-O bonds) is indicated.

Item Type: Journal Article
Additional Information: Copyright belongs to Taylor and Francis Group
Keywords: Condensed Matter Physics;Crystallography;Geophysics;Materials Science;Metals & Alloys;Superconductivity
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 04 Mar 2008
Last Modified: 27 Aug 2008 13:12
URI: http://eprints.iisc.ernet.in/id/eprint/13130

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