LaCl shows reconstructed low-energy bands that arise from direct hopping between lanthanum sites and the interstitial anionic-electron lattice, replacing YCl's dice-lattice flat bands and changing the Chern number from 4 to 3.
Another signature of the reconfigured lattice network is the emergence of a saddle -point dispersion near the M̅ point
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Entwined lattice of atoms and anionic electrons in layered electride LaCl
LaCl shows reconstructed low-energy bands that arise from direct hopping between lanthanum sites and the interstitial anionic-electron lattice, replacing YCl's dice-lattice flat bands and changing the Chern number from 4 to 3.