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Topological Insulator to Dirac Semimetal Transition Driven by Sign Change of Spin-Orbit Coupling in Thallium Nitride
Xian-Lei Sheng, Zhijun Wang, Rui Yu +3
Based on the first-principles calculations, we reveal that TlN, a simple binary compound with Wurtzite structure, is a three-dimensional (3D) topological insulator (TI) with effect…
Interaction-induced quantum anomalous Hall phase in (111) bilayer of LaCoO
Yilin Wang, Zhijun Wang, Zhong Fang +1
In the present paper, the Gutzwiller density functional theory (LDA+G) has been applied to study a bilayer system of LaCoO grown along the direction on SrTiO. The L…
Large linear magnetoresistance in Dirac semi-metal Cd3As2 with Fermi surfaces close to the Dirac points
Junya Feng, Yuan Pang, Desheng Wu +7
We have investigated the magnetoresistive behavior of Dirac semi-metal Cd3As2 down to low temperatures and in high magnetic fields. A positive and linear magnetoresistance (LMR) as…
Evidence of Topological Surface State in Three-Dimensional Dirac Semimetal Cd3As2
Hemian Yi, Zhijun Wang, Chaoyu Chen +23
The three-dimensional topological semimetals represent a new quantum state of matter. Distinct from the surface state in the topological insulators that exhibits linear dispersion…