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Thermally activated flux flow in superconducting epitaxial FeSe0.6Te0.4 thin film
- Thermally activated flux flow in superconducting epitaxial FeSe0.6Te0.4 thin film
- Ahmad, Dawood; Choi, W.J.; Seo, Y.I.; Seo, Se Hun; Lee, Sang Han; Kwon, Yong Seung
- DGIST Authors
- Ahmad, Dawood; Choi, W.J.; Seo, Y.I.; Kwon, Yong Seung
- Issue Date
- Results in Physics, 7, 16-20
- Article Type
- 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
- Elsevier B.V.
- Related Researcher
Kwon, Yong Seung
Quantum Functional Materials Laboratory
High Tc Superconductors and magnetic materials; Thermoelectric Materials
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- Department of Emerging Materials ScienceQuantum Functional Materials Laboratory1. Journal Articles
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