Spin excitations and phonons in YBa2Cu3O6+x: A status report

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

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A review is made of recent developments in inelastic neutron scattering experiments on spin excitations and phonons in the high-temperature superconductor YBa2Cu3O6-x and its antiferromagnetic precursor YBa2Cu3O6.2. These experiments include the detection of high-energy "optical" spin waves and the determination of the full spin Hamiltonian in YBa2Cu3O6.2, detailed investigations of the 40 meV magnetic resonance peak in the superconducting state of YBa2Cu3O7 and its precursors in underdoped YBa2Cu3O6+x, and experiments on the effect of superconductivity on phonon lifetimes in YBa2Cu3O7.

Original languageEnglish (US)
Pages (from-to)821-829
Number of pages9
JournalPhysica B: Condensed Matter
StatePublished - Jun 2 1997

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


  • Phonons
  • Spin excitations
  • YBaCuO


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