Co doping effects on superconductivity of FeSe0.4Te0.6 single crystals
- Nabeshima, F.
- Kobayashi, Y.
- Imai, Y.
- Tsukada, I.
- Maeda, A.
Publication date
December 2012
DOI Publisher
Published by Elsevier B.V. ISSN
1875-3892Abstract
AbstractThe Co substitution effects on the superconductivity of FeSe0.4Te0.6 single crystals were investigated. The magnetic susceptibility measurement suggests that Co is non-magnetic in these materials. The superconducting transition temperature decreases linearly for Co doping with the rate -0.75 K/Co%, while the increasing rate of residual resistivity is less than 12.5 μΩácm/Co%. Our data do not contradict the expectation for the s± pairing
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