Phonon Behavior in the Bi-Sr-Ca-Cu-O-System

  • O. Flor
  • B. Stadlober
  • M. Pressl
  • P. Knoll
  • P. Planinic
  • N. Brnicevic
  • M. Unterweger
  • O. Buresch
Conference paper
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 113)

Abstract

The phonon-Raman spectrum of Bi2−xPbxSr2Can−1CunO2n+4+d had been studied in detail. The 630cm−1 phonon which is assigned as a z-vibration of the oxygen between the CuO2 and the BiO layers and of the oxygens of the BiO layers shows a sample dependent shoulder at 650cm−1. This shoulder is interpreted as a mode arising from different oxygen ordering in the BiO layers and from excess oxygen. Substituting Bi with Pb increases the amount of 2223 phase and the intensity of that shoulder decreases.

Keywords

Lime Rocksalt FlorI 

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Copyright information

© Springer-Verlag Berlin, Heidelberg 1993

Authors and Affiliations

  • O. Flor
    • 1
  • B. Stadlober
    • 2
  • M. Pressl
    • 1
  • P. Knoll
    • 1
  • P. Planinic
    • 3
  • N. Brnicevic
    • 3
  • M. Unterweger
    • 1
  • O. Buresch
    • 4
  1. 1.Institut für ExperimentalphysikUniversität GrazGrazAustria
  2. 2.Walther-Meissner-Institut für TieftemperaturforschungGarchingFed. Rep. of Germany
  3. 3.Rudjer Boskovic InstituteZagrebCroatia
  4. 4.Max-Planck-Institut für FestkörperforschungStuttgart 80Fed. Rep. of Germany

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