Quantum impurities and the neutron resonance peak in YBa2Cu3O7: Ni versus Zn

Y. Sidis, P. Bourges, H. F. Fong, B. Keimer, L. P. Regnault, J. Bossy, A. Ivanov, B. Hennion, P. Gautier-Picard, G. Collin, D. L. Millius, Ilhan A. Aksay

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Abstract

The interplay between impurity and collective spin excitations in the YBa2Cu3O7 system was explored by inelastic neutron scattering (INS). It was found that the spin excitation spectra of the system are dominated by a magnetic resonance peak below Tc, however, the impurity affected the spin correlations in very different ways.

Original languageEnglish (US)
Pages (from-to)5900-5903
Number of pages4
JournalPhysical review letters
Volume84
Issue number25
DOIs
StatePublished - 2000

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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