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Superconductivity and magnetic ordering in YBa2(Cu1−x Fe x )3O7

  • Superconductivity: Interplay with Magnetism Muon Probe Sites
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Abstract

Transverse-and zero-field μSR measurements have been made for YBa2(Cu1−x Fe x )3O7 withx=0.04, 0.08 and 0.12. The temperature range studied was from approximately 7.5 K to 100 K. The onset of magnetic ordering commences at about 7.5 K forx=0.04, 10 K forx=0.08 and 20 K forx=0.12. The Gaussian depolarization parameter, σ ofG x (t) = exp(−σ2 t 2/2), is depressed by a factor of about 0.6 forx=0.04, but for thex=0.08 sample σ is depressed by a factor of 10 and increasing suppression is seen as the temperature is lowered below 45 K. This decrease in σ is interpreted in terms of decreasing electronic mean free paths.

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Authors and Affiliations

  1. Physics Department, College of William and Mary, 23185, Williamsburg, VA, USA

    W. J. Kossler, X. H. Yu, A. Greer & H. E. Schone

  2. Physics Department, Virginia State University, 23803, Petersburg, VA, USA

    C. E. Stronach, M. Davis & R. S. Cary

  3. Physics Department, George Mason University, 22030, Fairfax, VA, USA

    W. F. Lankford

  4. Brookhaven National Laboratories, 11970, Upton, NY, USA

    A. Moodenbaugh

  5. Physics Department, University of Cincinnati, 45221, Cincinnati, OH, USA

    J. Oostens

Authors
  1. W. J. Kossler
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  2. X. H. Yu
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  3. A. Greer
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  4. H. E. Schone
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  5. C. E. Stronach
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  6. M. Davis
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  7. R. S. Cary
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  8. W. F. Lankford
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  9. A. Moodenbaugh
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  10. J. Oostens
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Kossler, W.J., Yu, X.H., Greer, A. et al. Superconductivity and magnetic ordering in YBa2(Cu1−x Fe x )3O7 . Hyperfine Interact 63, 253–258 (1991). https://doi.org/10.1007/BF02396011

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  • DOI: https://doi.org/10.1007/BF02396011

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