In CsCr6Sb6, Mott splitting of the kagome flat band creates local moments that hybridize with conduction electrons at low temperature, shown by temperature-dependent STS Fano lineshapes near EF and ARPES quasiparticle peaks that vanish together while high-energy humps persist.
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Polarization-dependent ARPES on low-substituted BaFe2-xMxAs2 (M=Cr,Co,Cu,Ru,Mn) shows hole-pocket sizes largely unchanged while electron-pocket trends correlate with T_SDW suppression via Fe-As bond length changes affecting planar states.
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Mott-Derived Local Moments and Kondo Hybridization in a d-electron Kagome lattice
In CsCr6Sb6, Mott splitting of the kagome flat band creates local moments that hybridize with conduction electrons at low temperature, shown by temperature-dependent STS Fano lineshapes near EF and ARPES quasiparticle peaks that vanish together while high-energy humps persist.
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Orbital-Selective Band Structure Evolution in BaFe$_{2-x}$M$_x$As$_2$ (M = Cr, Co, Cu, Ru and Mn) Probed by Polarization-Dependent ARPES
Polarization-dependent ARPES on low-substituted BaFe2-xMxAs2 (M=Cr,Co,Cu,Ru,Mn) shows hole-pocket sizes largely unchanged while electron-pocket trends correlate with T_SDW suppression via Fe-As bond length changes affecting planar states.