Probing vortex kinetics in high-Tc Y(Dy)Ba2Cu3O7 thin films with noise

Edmund R. Nowak, N. E. Israeloff, V. S. Achutharaman, A. M. Goldman

Research output: Contribution to journalArticlepeer-review

Abstract

Voltage noise has been measured with DC currents at temperatures near Tc in c-axis oriented DyBaCuO thin films. Two regimes of noise are observed as a function of magnetic field. For H<5kG, there are reproducible, microstructure-dependent "fingerprints" of variations of noise with field. These can be interpreted as collective vortex rearrangements between quasi-equilibrium configurations within the pinning potential produced by the granularity of the films.

Original languageEnglish (US)
Pages (from-to)2303-2304
Number of pages2
JournalPhysica B: Physics of Condensed Matter
Volume194-196
Issue numberPART 2
DOIs
StatePublished - Feb 2 1994

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