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| Home > Publications database > From Ising Resonant Fluctuations to Static Uniaxial Order in Antiferromagnetic and Weakly Superconducting CeCo ( In 1 − x Hg x ) 5 ( x = 0.01 ) |
| Home > Publications database > From Ising Resonant Fluctuations to Static Uniaxial Order in Antiferromagnetic and Weakly Superconducting CeCo ( In 1 − x Hg x ) 5 ( x = 0.01 ) |
| Journal Article | FZJ-2018-04477 |
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2018
APS
College Park, Md.
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Please use a persistent id in citations: http://hdl.handle.net/2128/19468 doi:10.1103/PhysRevLett.121.037003
Abstract: CeCo(In0.990Hg0.010)5 is a charge doped variant of the d-wave CoCoIn5 superconductor with coexistent antiferromagnetic and superconducting transitions occurring at TN=3.4 and Tc=1.4 K, respectively. We use neutron diffraction and spectroscopy to show that the magnetic resonant fluctuations present in the parent superconducting phase are replaced by collinear c-axis magnetic order with three-dimensional Ising critical fluctuations. No low-energy transverse spin fluctuations are observable in this doping-induced antiferromagnetic phase and the dynamic resonant spectral weight predominately shifts to the elastic channel. Static (τ>0.2 ns) collinear Ising order is proximate to superconductivity in CeCoIn5 and is stabilized through hole doping with Hg.
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