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Title: Thermodynamic evidence for the Bose glass transition in twinnedYBa2Cu3O7-δcrystals

We used a micromechanical torsional oscillator to measure the magnetic response of a twinned YBaBa2Cu3O7-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.
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  1. National Commission of Atomic Energy, Bariloche (Argentina)
  2. Argonne National Lab. (ANL), Argonne, IL (United States)
Publication Date:
OSTI Identifier:
Grant/Contract Number:
Publisher's Accepted Manuscript
Journal Name:
Physical Review. B, Condensed Matter and Materials Physics
Additional Journal Information:
Journal Volume: 92; Journal Issue: 2; Journal ID: ISSN 1098-0121
American Physical Society
Sponsoring Org:
USDOE Office of Science (SC), Center for Nanoscale Materials; National Council of Investigation for the Science and Technology (Argentina)
Country of Publication:
United States