Magnetic resonance peak and nonmagnetic impurities
Y. Sidis, P. Bourges, B. Keimer, L. P. Regnault, J. Bossy, A. Ivanov, B. Hennion, P. Gautier-Picard, G. Collin
Abstract
Nonmagnetic Zn impurities are known to strongly suppress superconductivity. We review their effects on the spin excitation spectrum in YBa2Cu3O7, as investigated by inelastic neutron scattering measurements.
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