Physics – Condensed Matter – Superconductivity
Scientific paper
2011-12-18
J. Appl. Phys. 111, 013912 (2012)
Physics
Condensed Matter
Superconductivity
Scientific paper
Enhancements of superconducting properties were observed in FeSe wires using a quenching technique. Zero resistivity was achieved at about 10 K in quenched wires, which is about 2 K higher than that of polycrystalline FeSe bulk. Furthermore, transport Jc of quenched wires showed three times higher than that of furnace-cooled wires. In contrast, the quenched polycrystalline FeSe bulks did not show the enhancement of Tc. The quenching technique is a greatly promising for fabricating FeSe wires with high Tc and high Jc, and quenched FeSe wires have high potential for superconducting wire applications.
Deguchi Keita
Demura Satoshi
Hara Hiroshi
Kawasaki Yasuna
Kumakura Hiroaki
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