Electron-Mediated O[number sign]^{17-C[number sign]63u Spin-Spin Coupling and Electron Spin Correlations in YBa[sub 2]Cu[sub 3]O[sub 7]}

Journal Article · Mon Nov 01 00:00:00 EST 1999 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.83.3924· OSTI ID:6068974

Yu, S; Gorny, K R; Pennington, C H ^[1]; Hults, W L; Smith, J L ^[2]

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1. Department of Physics, The Ohio State University, 174 W. 18th Avenue, Columbus, Ohio 43210 (United States)
2. Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)

We report spin-echo double resonance NMR measurements of [sup 17]O- [sup 63] Cu indirect (electron-mediated) nuclear spin-spin coupling between Cu and O atoms in the CuO[sub 2] planes of YBa[sub 2]Cu [sub 3]O[sub 7] . 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 T[sub 1] behaviors of [sup 63]Cu and [sup 17]O . [copyright] [ital 1999] [ital The American Physical Society ]

• OSTI ID: 6068974
• Journal Information: Physical Review Letters, Vol. 83:19; ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BARIUM COMPOUNDS
BARIUM OXIDES
COPPER 63
COPPER COMPOUNDS
COPPER OXIDES
HIGH-TC SUPERCONDUCTORS
NMR SPECTRA
NUCLEAR MAGNETIC RESONANCE
OXYGEN 17
OXYGEN COMPOUNDS
SPIN-SPIN RELAXATION
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
ALKALINE EARTH METAL COMPOUNDS
CHALCOGENIDES
COPPER ISOTOPES
EVEN-ODD NUCLEI
INTERMEDIATE MASS NUCLEI
ISOTOPES
LIGHT NUCLEI
MAGNETIC RESONANCE
NUCLEI
ODD-EVEN NUCLEI
OXIDES
OXYGEN ISOTOPES
RELAXATION
RESONANCE
SPECTRA
STABLE ISOTOPES
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
TYPE-II SUPERCONDUCTORS
665411* - Basic Superconductivity Studies- (1992-)