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Three-dimensional topological insulators: A review on host materials
Wanxiang Feng, Yugui Yao
In recent years, three-dimensional topological insulators (3DTI) as a novel state of quantum matter have become a hot topic in the fields of condensed matter physics and materials…
Intrinsic spin Hall effect in monolayers of group-VI dichalcogenides: A first-principles study
Wanxiang Feng, Yugui Yao, Wenguang Zhu +3
Using first-principles calculations within density functional theory, we investigate the intrinsic spin Hall effect in monolayers of group-VI transition-metal dichalcogenides MX2 (…
Strain tuning of topological band order in cubic semiconductors
Wanxiang Feng, Wenguang Zhu, Hanno H. Weitering +3
We theoretically explore the possibility of tuning the topological order of cubic diamond/zinc-blende semiconductors with external strain. Based on the tight-binding model, we anal…
Tailoring Magnetic Doping in the Topological Insulator Bi2Se3
Jian-Min Zhang, Wenguang Zhu, Ying Zhang +2
We theoretically investigate the possibility of establishing ferromagnetism in the topological insulator Bi2Se3 via magnetic doping of 3d transition metal elements. The formation e…
Evidence of silicene in honeycomb structures of silicon on Ag(111)
Baojie Feng, Zijing Ding, Sheng Meng +5
In the search for evidence of silicene, a two-dimensional honeycomb lattice of silicon, it is important to obtain a complete picture for the evolution of Si structures on Ag(111),…
Microscopic theory of quantum anomalous Hall effect in graphene
Zhenhua Qiao, Hua Jiang, Xiao Li +2
We present a microscopic theory to give a physical picture of the formation of quantum anomalous Hall (QAH) effect in graphene due to a joint effect of Rashba spin-orbit coupling $…