Electron-mediated 17O−63cu spin-spin coupling and electron spin correlations in YBa2Cu3O7

S. Yu; K. R. Gorny; C. H. Pennington; W. L. Hults; J. L. Smith

doi:10.1103/PhysRevLett.83.3924

Electron-mediated ¹⁷O−⁶³cu spin-spin coupling and electron spin correlations in YBa₂Cu₃O₇

S. Yu, K. R. Gorny, C. H. Pennington, W. L. Hults, J. L. Smith

Radiation Physicists

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

We report spin-echo double resonance NMR measurements of ¹⁷O−⁶³Cu indirect (electron-mediated) nuclear spin-spin coupling between Cu and O atoms in the CuO₂ planes of YBa₂Cu₃O₇. The magnitude of the measured coupling is anomalously large, to the extent that it is inconsistent with the antiferromagnetic correlations that are invoked to explain the contrasting T₁ behaviors of ⁶³Cu and ¹⁷O.

Original language	English (US)
Pages (from-to)	3924-3927
Number of pages	4
Journal	Physical Review Letters
Volume	83
Issue number	19
DOIs	https://doi.org/10.1103/PhysRevLett.83.3924
State	Published - Jan 1 1999

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.83.3924

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title = "Electron-mediated 17O−63cu spin-spin coupling and electron spin correlations in YBa2Cu3O7",

abstract = "We report spin-echo double resonance NMR measurements of 17O−63Cu indirect (electron-mediated) nuclear spin-spin coupling between Cu and O atoms in the CuO2 planes of YBa2Cu3O7. The magnitude of the measured coupling is anomalously large, to the extent that it is inconsistent with the antiferromagnetic correlations that are invoked to explain the contrasting T1 behaviors of 63Cu and 17O.",

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AU - Yu, S.

AU - Gorny, K. R.

AU - Pennington, C. H.

AU - Hults, W. L.

AU - Smith, J. L.

PY - 1999/1/1

Y1 - 1999/1/1

N2 - We report spin-echo double resonance NMR measurements of 17O−63Cu indirect (electron-mediated) nuclear spin-spin coupling between Cu and O atoms in the CuO2 planes of YBa2Cu3O7. The magnitude of the measured coupling is anomalously large, to the extent that it is inconsistent with the antiferromagnetic correlations that are invoked to explain the contrasting T1 behaviors of 63Cu and 17O.

AB - We report spin-echo double resonance NMR measurements of 17O−63Cu indirect (electron-mediated) nuclear spin-spin coupling between Cu and O atoms in the CuO2 planes of YBa2Cu3O7. The magnitude of the measured coupling is anomalously large, to the extent that it is inconsistent with the antiferromagnetic correlations that are invoked to explain the contrasting T1 behaviors of 63Cu and 17O.

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DO - 10.1103/PhysRevLett.83.3924

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JF - Physical Review Letters

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Electron-mediated ¹⁷O−⁶³cu spin-spin coupling and electron spin correlations in YBa₂Cu₃O₇

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