Magnetic properties of Pr in non-superconducting PrBa2Cu3O7

S. Skanthakumar, W. H. Li, J. W. Lynn, A. Kebede, J. E. Crow, T. Mihalisin

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Abstract

The magnetic order and spin fluctuations of Pr in non-superconducting PrBa2Cu3O7 have been studied by specific heat, susceptibility and neutron scattering measurements. The neutron data show that the basic ordering consists of a simple antiferromagnetic arrangement, with an ordering temperature of ∼17 K, while the specific heat data reveal a large value of the electronic specific heat coefficient γ, comparable to heavy fermion like materials. The observed magnetic inelastic scattering shows a broad quasi-elastic response as a function of energy, similar to mixed valent-like systems. These results suggest that there is substantial f-electron character at the Fermi level in this material.

Original languageEnglish
Pages (from-to)239-241
Number of pages3
JournalPhysica B: Condensed Matter
Volume163
Issue number1-3
DOIs
StatePublished - Apr 1990

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