학술논문
Prediction of a quantum anomalous Hall state in Co decorated silicene
Document Type
Working Paper
Author
Source
Phys. Rev. B 89, 035409 (2014)
Subject
Language
Abstract
Based on first-principles calculations, we demonstrate that Co decorated silicene can host a quantum anomalous Hall state. The exchange field induced by the Co atoms combined with the strong spin orbit coupling of the silicene opens a nontrivial band gap at the K-point. As compared to other transition metals, Co decorated silicene is unique in this respect, since usually hybridization and spin-polarization induced in the silicene suppress a quantum anomalous Hall state.