Spin excitation anisotropy in the paramagnetic tetragonal phase of BaFe2As2
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DOI: 10.1103/physrevb.96.020404
Abstract: We use neutron polarization analysis to study temperature dependence of the spin excitation anisotropy in BaFe$_2$As$_2$, which has a tetragonal-to-orthorhombic structural distortion at $T_s$ and antiferromagnetic (AF) phase transition at $T_N$ with ordered moments along… read more here.
Keywords: excitation anisotropy; spin; tetragonal phase; spin excitation ... See more keywords