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cond-mat.mtrl-sci2025
Engineering phase-frustration induced flat bands in an aza-triangulene covalent Kagome lattice
Yuyi Yan, Fujia Liu, Weichen Tang +4
Pi-conjugated covalent organic frameworks (COFs) provide a versatile platform for the realization of designer quantum nanomaterials. Strong electron-electron correlation within the…
cond-mat.mtrl-sci2025
Non-excitonic mechanism for electronic and structural phase transitions in Ta2Ni(Se,S)5
Weichen Tang, Zhenglu Li, Cheng Chen +2
We present a first-principles study based on density functional theory (DFT) on the electronic and structural properties of Ta2NiSe5, a layered transition metal chalcogenide that h…