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Reentrant Quantum Spin Hall States in Charge Density Wave Phase of Doped Single-Layer Transition Metal Dichalcogenides
Jun-Ho Lee, Young-Woo Son
Using first-principles calculation methods, we reveal a series of phase transitions as a function of electron doping in single-layer 1T-MoTe and 1T-WTe exhibiting qua…
Strain-shear coupling in bilayer MoS2
Jae-Ung Lee, Sungjong Woo, Jaesung Park +3
Layered materials such as graphite and transition metal dichalcogenides have extremely anisotropic mechanical properties owing to orders of magnitude difference between in-plane an…
Quasiparticle energy bands and Fermi surfaces of monolayer NbSe
Sejoong Kim, Young-Woo Son
A quasiparticle band structure of a single layer 2H-NbSe is reported by using first-principles calculation. We show that a self-energy correction increases the width of a…
Atomically flat two-dimensional silicon crystals with versatile electronic properties
Kisung Chae, Duck Young Kim, Young-Woo Son
Silicon (Si) is one of the most extensively studied materials owing to its significance to semiconductor science and technology. While efforts to find a new three-dimensional (3D)…
Origins of the structural phase transitions in MoTe and WTe
Hyun-Jung Kim, Seoung-Hun Kang, Ikutaro Hamada +1
Layered transition metal dichalcogenides MoTe and WTe share almost similar lattice constants as well as topological electronic properties except their structural phase tran…