NMR characterization of sulphur substitution effects in the KxFe2−ySe2−zSzhigh-Tcsuperconductor Academic Article uri icon

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abstract

  • We present an NMR study of the effect of S substitution in the high Tc superconductor K(x)Fe(2-y)Se(2-z)S(z) in a temperature range up to 250 K. We present NMR Knight shift and nuclear spin-lattice relaxation rate 1/T1 data, and compare our results to that of the non-substituted system K(x)Fe(2-y)Se(2).

publication date

  • April 17, 2012