Evidence for a structural change in TSMG Y123 at 225 K

A. R. Anderson, M. Murakami, K. Nagashima, G. J. Russell

研究成果: Article

16 引用 (Scopus)

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This paper reports on an ultrasonic study at 85 kHz and 485 kHz of melt-textured Y123 (YBa2Cu3O7-δ) where a possible structural change has been identified in the 220 K region. Work on oxygenated and partially deoxygenated samples has shown that the change is associated with oxygen in the samples and that the activation energy for the process is 110 meV. The conclusions are based on a qualitative and quantitative description of ultrasonic attenuation and ultrasonic velocity changes in the material as a result of slow thermal cycling and quenching experiments.

元の言語English
ページ(範囲)15-20
ページ数6
ジャーナルPhysica C: Superconductivity and its applications
306
発行部数1-2
DOI
出版物ステータスPublished - 1998 9 10

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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