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Journal article

Incommensurate magnetism in non-superconducting PrBa2Cu3O6.92

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Risø National Laboratory for Sustainable Energy, Technical University of Denmark1

We report the discovery of incommensurate magnetic order in non-superconducting single crystals PrBa2Cu3O6.92. Resonant X-ray magnetic scattering at the Pr L-II and L-III edges and high resolution neutron diffraction were used to characterise the magnetic order on the different magnetic sublattices.

The data reveal that the Pr sublattice orders at a temperature of 19 K in an incommensurate structure with ordering wavevector (0.5 +/- delta, 0.5, 0) or (0.5, 0.5 +/- delta, 0), delta approximate to 0.006-0.008, A spin reorientation in the Pr sublattice to a commensurate antiferromagnetic structure with ordering wavevector (0.5, 0.5, 0.5) takes place at a temperature close to 9 K. (C) 1999 Elsevier Science B.V.

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Language: English
Year: 1999
Pages: 292-298
ISSN: 18732143 and 09214534
Types: Journal article
DOI: 10.1016/S0921-4534(99)00071-4

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