Intrinsic Josephson Effects in the Magnetic Superconductor RuSr2GdCu2O8

T. Nachtrab, D. Koelle, R. Kleiner, C. Bernhard, and C. T. Lin
Phys. Rev. Lett. 92, 117001 – Published 19 March 2004

Abstract

We have measured interlayer current transport in small-sized RuSr2GdCu2O8 single crystals. We find a clear intrinsic Josephson effect showing that the material acts as a natural superconductor-insulator-ferromagnet-insulator-superconductor superlattice. Thus far, we detected no unconventional behavior due to the magnetism of the RuO2 layers.

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  • Received 4 August 2003

DOI:https://doi.org/10.1103/PhysRevLett.92.117001

©2004 American Physical Society

Authors & Affiliations

T. Nachtrab, D. Koelle, and R. Kleiner

  • Physikalisches Institut-Experimentalphysik II, Universität Tübingen, Auf der Morgenstelle 14, D-72076 Tübingen, Germany

C. Bernhard and C. T. Lin

  • Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, D-70569 Stuttgart, Germany

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Issue

Vol. 92, Iss. 11 — 19 March 2004

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