Imaging the real space structure of the spin fluctuations in an iron-based superconductor
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چکیده
منابع مشابه
Imaging the real space structure of the spin fluctuations in an iron-based superconductor
Spin fluctuations are a leading candidate for the pairing mechanism in high temperature superconductors, supported by the common appearance of a distinct resonance in the spin susceptibility across the cuprates, iron-based superconductors and many heavy fermion materials. The information we have about the spin resonance comes almost exclusively from neutron scattering. Here we demonstrate that ...
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15 صفحه اولSimultaneous optimization of spin fluctuations and superconductivity under pressure in an iron-based superconductor.
We present a high-pressure NMR study of the overdoped iron pnictide superconductor NaFe0.94Co0.06As. The low-energy antiferromagnetic spin fluctuations in the normal state, manifest as the Curie-Weiss upturn in the spin-lattice relaxation rate 1/(75)T1T, first increase strongly with pressure but fall again at P>Popt=2.2 GPa. Neither long-ranged magnetic order nor a structural phase transition ...
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ژورنال
عنوان ژورنال: Nature Communications
سال: 2017
ISSN: 2041-1723
DOI: 10.1038/ncomms15996