Thermodynamic evidence for the Bose glass transition in twinned YBa2Cu3 O7-δ crystals

D. J. Pérez-Morelo, E. Osquiguil, A. B. Kolton, G. Nieva, I. W. Jung, D. López, H. Pastoriza

Research output: Contribution to journalArticlepeer-review

Abstract

We used a micromechanical torsional oscillator to measure the magnetic response of a twinned YBa2Cu3O7-δ single crystal disk near the Bose glass transition. We observe an anomaly in the temperature dependence of the magnetization consistent with the appearance of a magnetic shielding perpendicular to the correlated pinning of the twin boundaries. This effect is related to the thermodynamic transition from the vortex liquid phase to a Bose glass state.

Original languageEnglish (US)
Article number020510
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume92
Issue number2
DOIs
StatePublished - Jul 21 2015

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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