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Publication
Hyperfine Interactions
Paper
Antiferromagnetic order in PrBa2Cu3Ox (x≈6, 7)
Abstract
Zero and weak transverse field μ+ SR measurements on PrBa2Cu3Ox samples with x≈6 and x≈7 show ordered magnetism in both oxygen concentration limits. As expected for equivalent doping (nominally PrBa2Cu3Ox∼YBa2Cu3Ox-0.5), neither sample is superconducting. Two muon signals are observed in the x≈6 sample, as in YBa2Cu3O6, but only one (the weaker) has the same local magnetic field as in YBa2Cu3O6. In the x≈7 sample, only one site is observed; its local field is reduced with respect to that of the primary site in YBa2Cu3O6 by a factor roughly consistent with the carrier-density dependence of the Cu ion moment in antiferromagnetic YBa2Cu3Ox. © 1990 J.C. Baltzer A.G. Scientific Publishing Company.