Ultrasonic measurements in sinter-forged high tc superconductor YBa2Cu3O7-δ

M. F. Xu, A. Schenstrom, Y. Hong, D. Bein, Bimal Sarma, M. Levy, K. R. Poeppe1meier, J. B. Ketterson

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Both ultrasonic attenuation and velocity as a function of temperature from 4.2 K to room temperature were measured on sinter-forged samples of YBa2Cu3Oz-δ which have more than 80% alignment of the c-axis of the grains parallel to the forging axis. Strong anisotropy was found both in the attenuation and in the velocity when propagating sound waves in different directions relative to the forging axis. Hysteresis was observed in the velocity changes.

Original languageEnglish (US)
Pages (from-to)2414-2417
Number of pages4
JournalIeee Transactions on Magnetics
Issue number2
StatePublished - Mar 1989

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering


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