Electronic Resource
Springer
Journal of low temperature physics
95 (1994), S. 89-93
ISSN:
1573-7357
Keywords:
74.72 Bk
;
76.60 Cq
;
76.60 Es
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract We report recent NMR results in cuprates. The oxygen Knight shift and the Cu nuclear spin-lattice relaxation rate in Bi2.1Sr1.94Ca0.88Cu2.07O8+δ single crystals revealed a gapless superconducting state, which can be most naturally explained by a d-wave pairing state and the intrinsic disorder in this material. The Cu nuclear spin-spin relaxation rate in underdoped YBa2Cu3O6.63 shows distinct temperature dependence from the spin-lattice relaxation rate, providing direct evidence for a pseudo spin-gap near the antiferromagnetic wave vector.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00754926
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