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cond-mat.mes-hall2025
Two-dimensional flat-bands in Moire-diamonds
Yalan Wei, Shifang Li, Yuke Song +1
The discovery of flat-bands in magic-angle twisted bilayer graphene has underscored the potential of moire engineering for correlated states, but such phases are notoriously diffic…
cond-mat.mes-hall2025
First-principles predictions of the diversity in atomic structures and electronic properties of the reconstructed Si(111)-7x7 surface
Yuke Song, ShiFang Li, PeiZe Lin +4
The 7x7 reconstruction of Si(111) surface is widely understood by the dimer-adatom-stacking-fault model (DAS), but the predicted metallicity of DAS contradicts experimental signs o…