Quantum tunneling of vortices in an epitaxial T1-based thin-film

A. García*, X. X. Zhang, J. Tejeda, M. Manzel, H. Bruchlos

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The cortex dynamics in a highly c-axis oriented epitaxial Tl2Ba2Ca2Cu3Ox (Tl-2223) thin-film has been investigated via time-relaxation of the zero-field cooled and remanent magnetization, for low (50 Oe) and moderate (500 Oe) applied magnetic fields below 15 K. A T-independent plateau has been found and explained in terms of quantum tunneling of 2D vortices in the CuO2 planes. The influence of the field on the transition has been studied. A T2-dependence has been found, this being an evidence of strong ohmic dissipation.

Original languageEnglish (US)
Pages (from-to)2961-2962
Number of pages2
JournalPhysica C: Superconductivity and its Applications
Volume235-240
Issue numberPART 5
DOIs
StatePublished - 1994
Externally publishedYes

ASJC Scopus subject areas

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

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