Coexistence of Superconductivity and Magnetism in Ruthenocuprates

Abstract:

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The layered ruthenocuprate materials RuSr2LnCu2O8 and RuSr2(Ln1+xCe1-x)Cu2O10, with Ln=lanthanide or Y for both structures, consist of pairs of CuO2 planes alternating with perovskite-like sheets of vertex sharing RuO6 octahedra. Samples of Ru-1212 and Ru-1222 materials were known to show both superconducting and magnetic transitions. Here, we discuss the problem of the coexistence, considering a model which includes two types of carriers responsible separately for the ordered phases. By considering the interplay between a hybridization mechanism and the direct exchange coupling between these carriers, we look at the stability of the coexisting phase assuming an inhomogeneous superconducting phase.

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Periodical:

Edited by:

Pietro VINCENZINI, Vojislav V. MITIC, Alois LOIDL and Dino FIORANI

Pages:

182-191

DOI:

10.4028/www.scientific.net/AST.67.182

Citation:

M. Cuoco et al., "Coexistence of Superconductivity and Magnetism in Ruthenocuprates ", Advances in Science and Technology, Vol. 67, pp. 182-191, 2010

Online since:

October 2010

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$35.00

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