Effects of Ru Doping on the Transport Behavior and Superconducting Transition Temperature of NdFeAsO0.89F0.11

Details Effects of Ru Doping on the Transport Behavior and Superconducting Transition Temperature of NdFeAsO0.89F0.11 Effects of Ru Doping on the Transport Behavior and Superconducting Transition Temperature of NdFeAsO0.89F0.11

2009-11-24

arxiv.org/abs/0911.4584v2

J. Phys. Soc. Jpn. 79 (2010) 023702

Physics

Condensed Matter

Superconductivity

5 pages, 6 figures, JPSJ 79 (2010) No. 2, Mistypes of chemical formula are corrected

Scientific paper

10.1143/JPSJ.79.023702

The transport behavior and superconducting transition temperature Tc of NdFe1-yRuyAsO0.89F0.11 have been studied for various y values. Because Ru impurities are isoelectronic to host Fe atoms, we basically expect that the number of electrons does not change with y, at least in the region of small y values. The results indicate that the rate of Tc suppression by Ru atoms is too small to be explained by the pair breaking effect of nonmagnetic impurities expected for the S+- symmetry, confirming our previous results for Co doping.

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