Ultrasonic investigations on some highly correlated electron systems in the magnetic field

M. Yoshizawa, N. Yoshimoto, D. H. Yoon, T. Sasaki, Naoki Toyota, H. Iwasaki, N. Kobayashi, T. Fukase

Research output: Contribution to journalArticlepeer-review

Abstract

Acoustic properties of κ-(BEDT-TTF)2Cu(NCS)2, Y1-XPrXBa2Cu3Oy and CeRu2 have been investigated. The organic superconductor κ-(BEDT-TTF)2Cu(NCS)2, shows a remarkable softening in the magnetic field. Elastic hardening has been observed in Y1-XPrXBa2Cu3Oy and CeRu2. The elastic anomalies in the magnetic field have been considered based on the various couplings between the vortices and ultrasonic wave.

Original languageEnglish
Pages (from-to)321-326
Number of pages6
JournalScience Reports of the Rerearch Institutes Tohoku University Series A-Physics
Volume42
Issue number2
Publication statusPublished - 1996 May 1

Keywords

  • Sound velocity
  • Superconductor
  • Surface acoustic wave
  • Vortex state

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Metals and Alloys

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