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Josephson effect of a superconducting ferromagnet

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A point contact tunneling technique has been used to investigate the existence of superconductivity in a long-range, magnetically ordered phase in the reentrant pseudoternary system (Er1 − xHox)Rh4B4 in the vicinity of the lower critical temperature T c 2. In this experiment, Josephson-like current-voltage characteristics could be observed in a Nb-Nb oxide-(Er0.58Ho0.42)Rh4B4 junction even in a temperature region below T c 2 (∼1.8–1.96 K), that is, in the magnetically ordered phase.

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Author notes

  1. Y. Kuwasawa

    Present address: Department of Physics, Faculty of Science, Chiba University, Chiba, Japan

Authors and Affiliations

  1. Institut de Physique Expérimentale, Université de Lausanne, Lausanne-Dorigny, Switzerland

    Y. Kuwasawa & L. Rinderer

  2. Institute for Pure and Applied Physical Sciences, University of California—San Diego, La Jolla, California

    B. T. Matthias

  3. Bell Laboratories, Murray Hill, New Jersey

    B. T. Matthias

Authors
  1. Y. Kuwasawa
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  2. L. Rinderer
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  3. B. T. Matthias
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Additional information

This work was carried out while on leave of absence.

Sponsored by Suisse National Science Foundation.

Work in La Jolla sponsored by the National Science Foundation under contract No. NSF/DMR77-08469.

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Kuwasawa, Y., Rinderer, L. & Matthias, B.T. Josephson effect of a superconducting ferromagnet. J Low Temp Phys 37, 179–188 (1979). https://doi.org/10.1007/BF00114066

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  • DOI: https://doi.org/10.1007/BF00114066

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