Antiferromagnetic ordering in superconducting YBa2Cu3O6.5

Y. Sidis; C. Ulrich; P. Bourges; C. Bernhard; C. Niedermayer; L.P. Regnault; N.H. Andersen; B. Keimer

doi:10.1103/PhysRevLett.86.4100

Antiferromagnetic ordering in superconducting YBa₂Cu₃O₆_.₅

Y. Sidis
, C. Ulrich
, P. Bourges
, C. Bernhard
, C. Niedermayer
, L.P. Regnault
, N.H. Andersen
, B. Keimer

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

Commensurate antiferromagnetic ordering has been observed in the superconducting high-T-c. cuprate YBa2Cu3O6.5 (T-c = 55 K) by polarized and unpolarized elastic neutron scattering. The magnetic peak intensity exhibits a marked enhancement at T-c. Zero-field muon-spin-resonance experiments demonstrate that the staggered magnetization is not truly static but fluctuates on a nanosecond time scale. These results point towards an unusual spin density wave state coexisting with superconductivity.

Original language	English
Journal	Physical Review Letters
Volume	86
Issue number	18
Pages (from-to)	4100-4103
ISSN	0031-9007
DOIs	https://doi.org/10.1103/PhysRevLett.86.4100
Publication status	Published - 2001

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abstract = "Commensurate antiferromagnetic ordering has been observed in the superconducting high-T-c. cuprate YBa2Cu3O6.5 (T-c = 55 K) by polarized and unpolarized elastic neutron scattering. The magnetic peak intensity exhibits a marked enhancement at T-c. Zero-field muon-spin-resonance experiments demonstrate that the staggered magnetization is not truly static but fluctuates on a nanosecond time scale. These results point towards an unusual spin density wave state coexisting with superconductivity. ",

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AU - Sidis, Y.

AU - Ulrich, C.

AU - Bourges, P.

AU - Bernhard, C.

AU - Niedermayer, C.

AU - Regnault, L.P.

AU - Andersen, N.H.

AU - Keimer, B.

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AB - Commensurate antiferromagnetic ordering has been observed in the superconducting high-T-c. cuprate YBa2Cu3O6.5 (T-c = 55 K) by polarized and unpolarized elastic neutron scattering. The magnetic peak intensity exhibits a marked enhancement at T-c. Zero-field muon-spin-resonance experiments demonstrate that the staggered magnetization is not truly static but fluctuates on a nanosecond time scale. These results point towards an unusual spin density wave state coexisting with superconductivity.

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