Bilayer spin dynamics in underdoped YBa2Cu3O6+x

B. Keimer, Ilhan A. Aksay, J. Bossy, P. Bourges, H. F. Fong, D. L. Milius, L. P. Regnault, C. Vettier

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3 Scopus citations

Abstract

The bilayer structure of YBa2Cu3O6+x supports spin excitations that are either even or odd under a symmetry operation that exchanges two directly adjacent CuO2 layers. Both types of excitation have been observed in underdoped YBa2Cu3O6+x by inelastic neutron scattering. Even and odd response functions are split in energy. The temperature evolution in the normal state is parallel in both channels, but different behavior is observed in the superconducting state where a resonant enhancement is observed only in the odd channel. The measurements shed new light on the nature of interlayer interactions in the cuprates.

Original languageEnglish (US)
Pages (from-to)2135-2139
Number of pages5
JournalJournal of Physics and Chemistry of Solids
Volume59
Issue number10-12
DOIs
StatePublished - Jan 1 1998

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Keywords

  • C. neutron scattering
  • Spin excitations
  • Superconducting states

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    Keimer, B., Aksay, I. A., Bossy, J., Bourges, P., Fong, H. F., Milius, D. L., Regnault, L. P., & Vettier, C. (1998). Bilayer spin dynamics in underdoped YBa2Cu3O6+x. Journal of Physics and Chemistry of Solids, 59(10-12), 2135-2139. https://doi.org/10.1016/S0022-3697(98)00195-4