Magnetic Field Independence of the Spin Gap in YBa{sub 2}Cu{sub 3}O{sub 7{minus}{delta}}

Journal Article · Thu Dec 31 23:00:00 EST 1998 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.82.177· OSTI ID:289135

Gorny, K; Vyaselev, O M; Martindale, J A; Nandor, V A; Pennington, C H ^[1]; Hammel, P C; Hults, W L; Smith, J L ^[2]; Kuhns, P L; Reyes, A P; Moulton, W G ^[3]

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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)
3. National High Magnetic Field Laboratory, Tallahassee, Florida 32310 (United States)

We report, for magnetic fields of 0, 8.8, and 14.8thinspthinspT, measurements of the temperature dependent {sup 63}Cu NMR spin lattice relaxation rate for near optimally doped YBa{sub 2}Cu {sub 3}O{sub 7{minus}{delta}} , near and above T{sub c} . In sharp contrast with previous work we find no magnetic field dependence. We discuss experimental issues arising in measurements of this required precision and implications of the experiment regarding issues including the spin gap or pseudogap. {copyright} {ital 1998} {ital The American Physical Society}

• Research Organization: Purdue Research Foundation
• DOE Contract Number: FG02-90ER45427
• OSTI ID: 289135
• Journal Information: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 1 Vol. 82; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
BARIUM COMPOUNDS
BARIUM OXIDES
COPPER COMPOUNDS
CUPRATES
DOPED MATERIALS
ENERGY GAP
HIGH-TC SUPERCONDUCTORS
MAGNETIC FIELDS
NMR SPECTRA
SPIN-LATTICE RELAXATION
TEMPERATURE DEPENDENCE
YTTRIUM COMPOUNDS
YTTRIUM OXIDES