Neutron Scattering Studies of the Magnetic Fluctuations in YBa_2Cu_3O_{7-δ}
arXiv:cond-mat/9712326 · doi:10.1016/S0022-3697(98)00196-6
Abstract
Neutron scattering measurements have been made on the spin fluctuations in YBa_2Cu_3O_{7-δ} for different oxygen doping levels. Incommensurability is clearly observed for oxygen concentrations of 6.6 and 6.7 and is suggested for the 6.93. Measurements of the resonance for the O_{6.6} concentration show that it exists in a broadened and less intense form at temperatures much higher than T_c.
9 pages, 4 gif figures, Proceedings of Spectroscopies in Novel Superconductors, Cape Cod, Massachusetts, Sept, 1997