http://www.cnr.it/ontology/cnr/individuo/prodotto/ID178084

Superconductivity in Sr2RuO4-Sr3Ru2O7 eutectic crystals (Articolo in rivista)

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Label

Superconductivity in Sr2RuO4-Sr3Ru2O7 eutectic crystals (Articolo in rivista) (literal)

Anno

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Alternative label

R. Fittipaldi; A. Vecchione; R. Ciancio; S. Pace; M. Cuoco; D. Stornaiuolo; D. Born; F. Tafuri; E. Olsson; S. Kittaka; H. Yaguchi;Y. Maeno (2008)
Superconductivity in Sr2RuO4-Sr3Ru2O7 eutectic crystals
in Europhysics letters (Print); European Physical Society (EPS) - EPL Association (EPLA) - Physics Publishing Alliance (PPA), Mulhouse (Francia)
(literal)

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R. Fittipaldi; A. Vecchione; R. Ciancio; S. Pace; M. Cuoco; D. Stornaiuolo; D. Born; F. Tafuri; E. Olsson; S. Kittaka; H. Yaguchi;Y. Maeno (literal)

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Note

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CNR-INFM, Laboratorio Regionale SuperMat - Baronissi (SA), Italy, EU Dipartimento di Fisica \"E. R. Caianiello\", Universit`a di Salerno - Baronissi (SA), Italy, EU CNR-INFM Coherentia and Dipartimento di Scienze Fisiche, Universit`a di Napoli Federico II - Napoli, Italy, EU Dipartimento Ingegneria dell'Informazione, Seconda Universit`a di Napoli - Aversa (CE), Italy, EU Department of Applied Physics, Chalmers University of Technology, University of Chalmers - Goteborg, Sweden, EU Department of Physics, Kyoto University - Kyoto 606-8502, Japan (literal)

Titolo

Abstract

Superconducting behavior has been observed in the Sr(2)RuO(4)-Sr(3)Ru(2)O(7) eutectic system as grown by the flux-feeding floating-zone technique. A supercurrent flows across a single interface between Sr(2)RuO(4) and Sr(3)Ru(2)O(7) areas at distances that are far beyond those expected in a conventional proximity effect. The current-voltage characteristics within the Sr(3)Ru(2)O(7) macrodomain, as extracted from the eutectic, exhibit signatures of superconductivity in the bilayered Sr(3)Ru(2)O(7) region. Detailed microstructural, morphological and compositional analyses address issues on the concentration and the size of Sr(2)RuO(4) inclusions within the Sr(3)Ru(2)O(7) matrix. We speculate on the possibility of inhomogeneous superconductivity in the eutectic Sr(3)Ru(2)O(7) and exotic pairing induced by the Sr(2)RuO(4) inclusions. (literal)

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