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cond-mat.mes-hall2011★ 1.5k cited
Chern semi-metal and Quantized Anomalous Hall Effect in HgCr2Se4
Gang Xu, Hongming Weng, Zhijun Wang +2
In three dimensional (3D) momentum space of solid crystal, a topological phase boundary separating the Chern insulating layers from normal insulating layers may exist, where the ga…
cond-mat.mtrl-sci2011★ 33 cited
Half-metallic Surface States and Topological Superconductivity in NaCoO from first principles
Hongming Weng, Gang Xu, Haijun Zhang +3
Based on first-principles calculations, we predict a half-metallic surface state in layered bulk insulator NaCoO2, with tunable surface hole concentration. The half-metallic surfac…