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surface states of SnTe
Yin Shi, Meng Wu, Fan Zhang +1
The characterization and applications of topological insulators depend critically on their protected surface states, which, however, can be obscured by the presence of trivial dang…
Tunable Valley Polarization and Valley Orbital Magnetic Moment Hall Effect in Honeycomb Systems with Broken Inversion Symmetry
Zhigang Song, Ruge Quhe, Yan Li +3
In this Letter, a tunable valley polarization is investigated for honeycomb systems with broken inversion symmetry such as transition-metal dichalcogenide MX2 (M = Mo, W; X = S, Se…
Transport discovery of emerging robust helical surface states in systems
Hua Jiang, Haiwen Liu, Ji Feng +2
We study the possibility of realizing robust helical surface states in systems. We find that the combination of anisotropy and finite-size confinement leads to the emergenc…
The edge engineering of topological Bi(111) bilayer
Xiao Li, Hai-Wen Liu, Hua Jiang +2
A topological insulator is a novel quantum state, characterized by symmetry-protected non-trivial edge/surface states. Our first-principle simulations show the significant effects…
The emergence of topologically protected surface states in epitaxial Bi(111) thin films
Kai Zhu, Lin Wu, Xinxin Gong +10
Quantum transport measurements including the Altshuler-Aronov-Spivak (AAS) and Aharonov-Bohm (AB) effects, universal conductance fluctuations (UCF), and weak anti-localization (WAL…