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Thermally activated flux flow in superconducting epitaxial FeSe0.6Te0.4 thin film

Title
Thermally activated flux flow in superconducting epitaxial FeSe0.6Te0.4 thin film
Authors
Ahmad, DawoodChoi, W.J.Seo, Y.I.Seo, Se HunLee, Sang HanKwon, Yong Seung
DGIST Authors
Ahmad, Dawood; Choi, W.J.; Seo, Y.I.; Kwon, Yong Seung
Issue Date
2017
Citation
Results in Physics, 7, 16-20
Type
Article
Article Type
Article
ISSN
2211-3797
Abstract
The thermally activated flux flow effect has been studied in epitaxial FeSe0.6Te0.4 thin film grown by a PLD method through the electrical resistivity measurement under various magnetic fields for B//c and B//ab. The results showed that the thermally activated flux flow effect is well described by the nonlinear temperature-dependent activation energy. The evaluated apparent activation energy U0(B) is one order larger than the reported results and showed the double-linearity in both magnetic field directions. Furthermore, the FeSe0.6Te0.4 thin film shows the anisotropy of 5.6 near Tc and 2D-like superconducting behavior in thermally activated flux flow region. In addition, the vortex glass transition and the temperature dependence of the high critical fields were determined. © 2016
URI
http://hdl.handle.net/20.500.11750/4845
DOI
10.1016/j.rinp.2016.11.054
Publisher
Elsevier B.V.
Related Researcher
  • Author Kwon, Yong Seung Quantum Functional Materials Laboratory
  • Research Interests High Tc Superconductors and magnetic materials; Thermoelectric Materials
Files:
There are no files associated with this item.
Collection:
Department of Emerging Materials ScienceQuantum Functional Materials Laboratory1. Journal Articles


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