Abstract
We synthesized the new Fe-based superconductor K0.8Fe 2Se2 single crystals. The obtained single crystal exhibited a sharp superconducting transition and the onset and zero-resistivity tempera-ture were estimated to be 33 and 31.8 K, respectively. A high upper critical field of 192 T was obtained. The anisotropy of superconductivity of K0.8Fe2Se2 was ∼3.6. Both the high upper critical field and comparably low anisotropy are advantageous for applications under a high magnetic field. © 2011 American Institute of Physics.
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CITATION STYLE
Mizuguchi, Y., Takeya, H., Kawasaki, Y., Ozaki, T., Tsuda, S., Yamaguchi, T., & Takano, Y. (2011). Transport properties of the new Fe-based superconductor K xFe2Se2 (Tc=33 K). Applied Physics Letters, 98(4). https://doi.org/10.1063/1.3549702
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