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Dissipation of Vortex Pinned Liquid Phase in YBa 2 Cu 3 O 7—δ Epitaxial Thin Film
Author(s) -
Shan L.,
Wang Z.H.,
Xu X.N.,
Jin X.,
Yau J.K.F.,
Lee C.M.
Publication year - 2001
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/1521-3951(200106)225:2<361::aid-pssb361>3.0.co;2-v
Subject(s) - vortex , dissipation , condensed matter physics , epitaxy , materials science , lorentz force , pinning force , resistive touchscreen , phase (matter) , thin film , superconductivity , magnetic field , mechanics , physics , critical current , thermodynamics , composite material , nanotechnology , engineering , layer (electronics) , quantum mechanics , electrical engineering
The resistive transition of YBa 2 Cu 3 O 7— δ epitaxial thin film was measured under various magnetic fields oriented parallel to the film surface for two configurations of H ∥ J and H ⟂ J . A 3D model of thermally excited vortex‐line motion for vortex pinned liquid phase was proved to be reasonable for YBCO. The well fitting of this model to our data could quantitatively prove that the angular‐independent dissipation and the macroscopic Lorentz‐force effect origin from the same mechanism.