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Resonant Raman scattering in the Pb2Sr2(Y,Ca)Cu3O8+ superconductor

Physical Review B, ISSN: 0163-1829, Vol: 41, Issue: 1, Page: 830-833
1990
  • 14
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Metrics Details

  • Citations
    14
    • Citation Indexes
      14
  • Captures
    1

Article Description

We have measured resonant phonon Raman profiles of a superconducting Pb2Sr2Y0.75Ca0.25Cu3O8+ crystal for laser energies from 1.65 to 2.7 eV. The resonances at 1.75 and 2.55 eV and the rise towards the uv, also seen in ellipsometry, are assigned to transitions involving the &O(3) px,y, and Pb-O(1) complexes. There exists a relationship between the phonon-induced atomic motions and the location in the unit cell of the electronic transition. We also assign additional peaks that appear under resonant conditions. © 1990 The American Physical Society.

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