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Magnetism in electron-doped copper oxides

  • Superconductivity: Interplay with Magnetism Muon Probe Sites
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Abstract

We report muon spin relaxation/rotation measurements on sintered powder samples of Nd2−x Ce x CuO4−y and a large single crystal of Nd2CuO4−y . We find an electronic phase diagram which is quite similar to that of hole-doped superconductors such as La2−x Sr x CuO4−y , although the doping of electrons into the system is less efficient in destroying the static moments on the copper spins. Static magnetic order in Nd2CuO4−y appears below about 250 K, and two spin reorientations are seen atT=75 K andT=35 K. Measurements of the magnetic field penetration depth have been unsuccessful due to the rare-earth paramagnetism of these materials.

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Author notes

  1. R. Kadono

    Present address: , Riken 2-1 Hirosawa, 351-01, Wako-shi, Saitima, Japan

  2. J. T. Markert

    Present address: Dept. of Physics, Univ. of Texas, 78712, Austin, TX, USA

Authors and Affiliations

  1. Columbia University, 538 West 120th St., 10027, New York, USA

    G. M. Luke, L. P. Le, B. J. Sternlieb & Y. J. Uemura

  2. Dept. of Physics, Univ. of British Columbia, V6T 2A3, Vancouver, Canada

    J. H. Brewer, R. Kadono, R. F. Kiefl, S. R. Kreitzman & T. M. Riseman

  3. Virginia State Univ., 23803, Petersburg, Virginia, USA

    C. E. Stronach & M. Davis

  4. Univ. of Tokyo, 113, Tokyo, Japan

    S. Uchida, H. Takagi & Y. Tokura

  5. NTT Opto-Electronics Laboratories, 162 Tokai, 319-11, Ibaraki, Japan

    Y. Hidaka & T. Murakami

  6. Univ. of California at San Diego, 92093, La Jolla, CA, USA

    E. A. Early, J. T. Markert, M. B. Maple & C. L. Seaman

Authors
  1. G. M. Luke
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  2. L. P. Le
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  3. B. J. Sternlieb
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  4. Y. J. Uemura
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  5. J. H. Brewer
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  6. R. Kadono
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  7. R. F. Kiefl
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  8. S. R. Kreitzman
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  9. T. M. Riseman
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  10. C. E. Stronach
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  11. M. Davis
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  12. S. Uchida
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  13. H. Takagi
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  14. Y. Tokura
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  15. Y. Hidaka
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  16. T. Murakami
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  17. E. A. Early
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  18. J. T. Markert
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  19. M. B. Maple
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  20. C. L. Seaman
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Luke, G.M., Le, L.P., Sternlieb, B.J. et al. Magnetism in electron-doped copper oxides. Hyperfine Interact 63, 311–317 (1991). https://doi.org/10.1007/BF02396019

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  • DOI: https://doi.org/10.1007/BF02396019

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