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Ultrasonic Study of Three La2−ySryCuO4+x Crystals

  • J.-Y. Prieur
  • H. Ji
  • R. Höhler
  • J. Joffrin
Conference paper
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 112)

Abstract

We present the results of an ultrasonic study of three monocrystals of La2−ySryCuO4+x.. Longitudinal and transverse waves have been used along a or c direction at 30 and 90 MHz. For each sample four contributions reproduce the experimental data. The main one is the phonon-phonon interaction, two relaxations are identified and the tetragonal to orthorhombic transition gives an additional critical variation satisfying well defined selection rules.

Keywords

Transverse Wave Sound Velocity High Frequency Signal Neel Temperature Ultrasonic Study 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • J.-Y. Prieur
    • 1
  • H. Ji
    • 1
  • R. Höhler
    • 1
  • J. Joffrin
    • 1
  1. 1.Laboratoire de Physique des SolidesUniversité Paris-SudOrsayFrance

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