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“Raman-Forbidden” Phonons in YBa2Cu3O7−x Crystals

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Abstract

We have thoroughly studied the additional modes in the phonon spectra of YBa 2 Cu 3 O 7−x single crystals in resonant conditions. We have investigated the fine structure of the “forbidden” Raman spectrum, its dependence on the oxygen concentration and temperature as well as its temporal behavior which reflects the photoinduced oxygen redistribution.

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Authors and Affiliations

  1. SRL-ISTEC, 10-13, Shinonome 1-Chome, Koto-ku, Tokyo, 135, Japan

    Andrei G. Panfilov & Setsuko Tajima

  2. A. F. Ioffe Physical-Technical Institute, 194021, St-Petersburg, Russia

    Andrei G. Panfilov

  3. Chitose Institute of Science and Technology, Chitose, Hokkaido, Japan

    Akio Yamanaka

Authors
  1. Andrei G. Panfilov
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  2. Setsuko Tajima
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  3. Akio Yamanaka
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Panfilov, A.G., Tajima, S. & Yamanaka, A. “Raman-Forbidden” Phonons in YBa2Cu3O7−x Crystals. Journal of Low Temperature Physics 117, 431–435 (1999). https://doi.org/10.1023/A:1022542305453

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  • DOI: https://doi.org/10.1023/A:1022542305453

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