Resonant two-magnon Raman scattering in cuprate antiferromagnetic insulators

G. Blumberg, P. Abbamonte, M. Klein, W. Lee, D. Ginsberg

Research output: Contribution to journalArticlepeer-review


We present results of low-temperature two-magnon resonance Raman excitation profile measurements for single-layer Sr2CuO2Cl2 and bilayer YBa2Cu3O6+δ antiferromagnets over the excitation region from 1.65 to 3.05 eV. These data reveal composite structure of the two-magnon line shape and strong nonmonotic dependence of the scattering intensity on excitation energy. We analyze these data using the triple resonance theory of Chubukov and Frenkel [Phys. Rev. Lett. 74, 3057 (1995)] and deduce information about magnetic interaction and band parameters in these materials.

Original languageEnglish (US)
Pages (from-to)R11930-R11933
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number18
StatePublished - 1996

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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