X-ray-scattering study of copper magnetism in nonsuperconducting PrBa2Cu3O6.92

J.P. Hill; D.F. McMorrow; A.T. Boothroyd; A. Stunault; C. Vettier; L.E. Berman; M. von Zimmermann; T. Wolf

doi:10.1103/PhysRevB.61.1251

X-ray-scattering study of copper magnetism in nonsuperconducting PrBa₂Cu₃O₆_.₉₂

J.P. Hill, D.F. McMorrow, A.T. Boothroyd, A. Stunault, C. Vettier, L.E. Berman, M. von Zimmermann, T. Wolf

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Abstract

X-ray magnetic scattering from ordered Cu spins has been observed in a high-T-c compound. The measurements were made on the anomalous cuprate PrBa2Cu3O6.92 with x-ray photon energies tuned in the vicinity of the Cu K edge. The high wave-vector resolution enabled us to observe an incommensurate double-Q Cu spin structure below T-Pr = 19 K that forms as a result of coupling between the magnetically ordered Cu and Pr sublattices. Above T-Pr, the Cu ordering is commensurate, ruling out static spin-charge stripe order as an explanation for the absence of superconductivity in this material.

Original language	English
Journal	Physical Review B Condensed Matter
Volume	61
Issue number	2
Pages (from-to)	1251-1255
ISSN	0163-1829
DOIs	https://doi.org/10.1103/PhysRevB.61.1251
Publication status	Published - 2000

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title = "X-ray-scattering study of copper magnetism in nonsuperconducting PrBa2Cu3O6.92",

abstract = "X-ray magnetic scattering from ordered Cu spins has been observed in a high-T-c compound. The measurements were made on the anomalous cuprate PrBa2Cu3O6.92 with x-ray photon energies tuned in the vicinity of the Cu K edge. The high wave-vector resolution enabled us to observe an incommensurate double-Q Cu spin structure below T-Pr = 19 K that forms as a result of coupling between the magnetically ordered Cu and Pr sublattices. Above T-Pr, the Cu ordering is commensurate, ruling out static spin-charge stripe order as an explanation for the absence of superconductivity in this material.",

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AU - Hill, J.P.

AU - McMorrow, D.F.

AU - Boothroyd, A.T.

AU - Stunault, A.

AU - Vettier, C.

AU - Berman, L.E.

AU - Zimmermann, M. von

AU - Wolf, T.

PY - 2000

Y1 - 2000

N2 - X-ray magnetic scattering from ordered Cu spins has been observed in a high-T-c compound. The measurements were made on the anomalous cuprate PrBa2Cu3O6.92 with x-ray photon energies tuned in the vicinity of the Cu K edge. The high wave-vector resolution enabled us to observe an incommensurate double-Q Cu spin structure below T-Pr = 19 K that forms as a result of coupling between the magnetically ordered Cu and Pr sublattices. Above T-Pr, the Cu ordering is commensurate, ruling out static spin-charge stripe order as an explanation for the absence of superconductivity in this material.

AB - X-ray magnetic scattering from ordered Cu spins has been observed in a high-T-c compound. The measurements were made on the anomalous cuprate PrBa2Cu3O6.92 with x-ray photon energies tuned in the vicinity of the Cu K edge. The high wave-vector resolution enabled us to observe an incommensurate double-Q Cu spin structure below T-Pr = 19 K that forms as a result of coupling between the magnetically ordered Cu and Pr sublattices. Above T-Pr, the Cu ordering is commensurate, ruling out static spin-charge stripe order as an explanation for the absence of superconductivity in this material.

KW - Nye funktionelle materialer

U2 - 10.1103/PhysRevB.61.1251

DO - 10.1103/PhysRevB.61.1251

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JO - Physical Review B

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SN - 2469-9950

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