Magnetization measurement of YBa2Cu3Oy in high magnetic fields up to 30 T

N. Kobayashi, T. Nishizaki, T. Naito, S. Awaji, K. Watanabe

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Magnetization measurements on high-quality untwinned YBa2Cu3Oy, single crystals are performed in magnetic fields up to 30 T using a Hall probe magnetometry. We find an anomalous second peak in the magnetization hysteresis curve, which is different from the previously reported "fish tail". This behavior is interpreted in terms of the field-driven transition from the vortex lattice or the Bragg glass to the disordered vortex glass phases with increasing magnetic field. We discuss, furthermore, the influence of disorder of the system on the transition.

Original languageEnglish
Pages (from-to)433-436
Number of pages4
JournalPhysica B: Condensed Matter
Volume246-247
DOIs
Publication statusPublished - 1998 May 29

Keywords

  • Magnetization
  • Vortex lattice melting transition
  • Vortex phase diagram
  • YBaCuO

ASJC Scopus subject areas

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

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