Volume 105, Number 6, March 2014
|Number of page(s)||5|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||31 March 2014|
31P NMR investigation of the superconductor LiFeP (Tc = 5 K)
Department of Physics, Zhejiang University - Hangzhou 310027, China
Received: 24 February 2014
Accepted: 18 March 2014
We investigate the static and dynamic spin susceptibility of the “111”-type Fe-based superconductor LiFeP with through the measurement of the Knight shift and the spin-lattice relaxation rate at the 31P site by nuclear magnetic resonance. The constant , small magnitudes of , along with the resistivity all point to the weak spin correlations in LiFeP. display small enhancement toward Tc, indicating that the superconductivity is intimately correlated with the antiferromagnetic spin fluctuations.
PACS: 74.70.-b – Superconducting materials other than cuprates / 76.60.-k – Nuclear magnetic resonance and relaxation
© EPLA, 2014
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