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Two-Dimensional Transition Metal Dichalcogenides with a Hexagonal Lattice: Room Temperature Quantum Spin Hall Insulators
Yandong Ma, Liangzhi Kou, Xiao Li +2
So far, several transition metal dichalcogenides (TMDCs) based two-dimensional (2D) topological insulators (TIs) have been discovered, all of them based on a tetragonal lattice. Ho…
Precise and reversible band gap tuning in single-layer MoSe2 by uniaxial strain
Joshua O. Island, Agnieszka Kuc, Erik H. Diependaal +4
We present photoluminescence (PL) spectroscopy measurements of single-layer MoSe2 as a function of uniform uniaxial strain. A simple clamping and bending method is described that a…
Control of biaxial strain in single-layer Molybdenite using local thermal expansion of the substrate
G. Plechinger, A. Castellanos-Gomez, M. Buscema +6
Single-layer MoS2 is a direct-gap semiconductor whose electronic band structure strongly depends on the strain applied to its crystal lattice. While uniaxial strain can be easily a…
Stacking dependence of carrier transport properties in multilayered black phosphorous
A. Sengupta, M. Audiffred, T. Heine +1
We present the effect of different stacking orders on carrier transport properties of multi-layer black phosphorous. We consider three different stacking orders AAA, ABA and ACA, w…
Quantum Spin Hall Effect and Topological Phase Transition in Two-Dimensional Square Transition Metal Dichalcogenides
Yandong Ma, Liangzhi Kou, Ying Dai +1
Two-dimensional (2D) topological insulators (TIs) hold promise for applications in spintronics based on the fact that the propagation direction of edge electrons of a 2D TI is robu…
Two-Dimensional Inversion Asymmetric Topological Insulators in Functionalized III-Bi Bilayers
Yandong Ma, Liangzhi Kou, Binghai Yan +3
The search for inversion asymmetric topological insulators (IATIs) persists as an effect for realizing new topological phenomena. However, so for only a few IATIs have been discove…