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Magnetic ordering in dilute GdxEu1-xBa2Cu3O7-δ superconductors

  • Author(s): Causa, MT
  • Dutrus, SM
  • Fainstein, C
  • Nieva, G
  • Sanchez, R
  • Steren, LB
  • Tovar, M
  • Zysler, R
  • Oseroff, SB
  • Vier, DC
  • Schultz, S
  • Fisk, Z
  • Smith, JL
  • et al.
Abstract

We have measured the specific heat of GdxEu1-xBa2Cu3O7-δ (0 ≤ × ≤ 1). The data show a λ-type anomaly at high concentrations and a broad Schottky type anomaly at intermediate and low concentrations. We compare this behavior with theoretical predictions for a 2-dimensional Ising system. © 1988.

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