Transport Discovery of Emerging Robust Helical Surface States in Systems
We study the possibility of realizing robust helical surface states in Z 2= 0 systems. We find
that the combination of anisotropy and finite-size confinement leads to the emergence of …
that the combination of anisotropy and finite-size confinement leads to the emergence of …
Van der Waals epitaxial growth of topological insulator Bi2− xSbxTe3− ySey ultrathin nanoplate on electrically insulating fluorophlogopite mica
We report the growth of high quality Bi 2− x Sb x Te 3− y Se y ultrathin nanoplates (BSTS-
NPs) on an electrically insulating fluorophlogopite mica substrate using a catalyst-free vapor …
NPs) on an electrically insulating fluorophlogopite mica substrate using a catalyst-free vapor …
Atomic structure and electronic properties of the In/Si(111)22 surface
JP Chou, CM Wei, YL Wang, DV Gruznev… - Physical Review B, 2014 - APS
The Si (111) 2× 2-In reconstruction can be considered as a precursor phase for the
formation of the metallic 7× 3 phases of In overlayers on a Si (111) surface. Using the ab …
formation of the metallic 7× 3 phases of In overlayers on a Si (111) surface. Using the ab …
Antiferromagnetic superexchange mediated by a resonant surface state in Sn/Si (111)
The Sn overlayer on the Si (111) surface has been considered as a prototypical system for
exploring two-dimensional (2D) correlated physics on the triangular lattice. Most of the …
exploring two-dimensional (2D) correlated physics on the triangular lattice. Most of the …
Robustness of topological superconductivity in proximity-coupled topological insulator nanoribbons
P Sitthison, TD Stanescu - Physical Review B, 2014 - APS
We study the low-energy physics of topological insulator (TI) nanoribbons proximity-coupled
to s-wave superconductors (SCs) by explicitly incorporating the proximity effects that emerge …
to s-wave superconductors (SCs) by explicitly incorporating the proximity effects that emerge …
[HTML][HTML] Topological phase transition and quantum spin Hall state in TlBiS2
We have investigated the bulk and surface electronic structures and band topology of TlBiS
2 as a function of strain and electric field using ab-initio calculations. In its pristine form …
2 as a function of strain and electric field using ab-initio calculations. In its pristine form …
Optical conductivity of topological insulator thin films in a quantizing magnetic field
A Ullah, K Sabeeh - Journal of Physics: Condensed Matter, 2014 - iopscience.iop.org
We determine the optical response of topological insulator thin films in the presence of a
quantizing, external magnetic field. We explicitly take into account hybridization between the …
quantizing, external magnetic field. We explicitly take into account hybridization between the …
One-dimensional topological insulator: A model for studying finite-size effects in topological insulator thin films
M Okamoto, Y Takane, KI Imura - Physical Review B, 2014 - APS
As a model for describing finite-size effects in topological insulator thin films, we study a one-
dimensional (1D) effective model of a topological insulator (TI). Using this effective 1D …
dimensional (1D) effective model of a topological insulator (TI). Using this effective 1D …
Dimensional evolution between one-and two-dimensional topological phases
Dimensional evolution between one-(1D) and two-dimensional (2D) topological phases is
investigated systematically. The crossover from a 2D topological insulator to its 1D limit …
investigated systematically. The crossover from a 2D topological insulator to its 1D limit …
Screening, Friedel oscillations, and low-temperature conductivity in topological insulator thin films
In thin topological insulator (TI) films, the top and bottom surfaces are coupled by tunneling,
which restores backscattering and strongly affects screening. We calculate the dielectric …
which restores backscattering and strongly affects screening. We calculate the dielectric …