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Topological Crystalline Insulators and Dirac Octets in Anti-perovskites
Timothy H. Hsieh, Junwei Liu, Liang Fu
We predict a new class of topological crystalline insulators (TCI) in the anti-perovskite material family with the chemical formula ABX. Here the nontrivial topology arises fro…
Quantum Spin Hall Effect and Topological Field Effect Transistor in Two-Dimensional Transition Metal Dichalcogenides
Xiaofeng Qian, Junwei Liu, Liang Fu +1
We report a new class of large-gap quantum spin Hall insulators in two-dimensional transition metal dichalcogenides, namely, MX with M=(Mo, W) and X=(S, Se, and Te), whose topo…
Dirac mass generation from crystal symmetry breaking on the surfaces of topological crystalline insulators
Ilija Zeljkovic, Yoshinori Okada, Maksym Serbyn +12
The tunability of topological surface states (SS) and controllable opening of the Dirac gap are of fundamental and practical interest in the field of topological materials. In topo…