Edge State Quantum Interference in Twisted Graphitic Interfaces
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202102261
Abstract: Zigzag edges in graphitic systems exhibit localized electronic states that drastically affect their properties. Here, room‐temperature charge transport experiments across a single graphitic interface are reported, in which the interlayer current is confined to the… read more here.
Keywords: quantum interference; state quantum; interference twisted; interference ... See more keywords
Observation of Magnetism-Induced Topological Edge State in Antiferromagnetic Topological Insulator MnBi4Te7.
Sign Up to like & getrecommendations! Published in 2022 at "ACS nano"
DOI: 10.1021/acsnano.2c03622
Abstract: Breaking time reversal symmetry in a topological insulator may lead to quantum anomalous Hall effect and axion insulator phase. MnBi4Te7 is a recently discovered antiferromagnetic topological insulator with TN ∼ 12.5 K, which is composed… read more here.
Keywords: state; topological insulator; antiferromagnetic topological; insulator ... See more keywords
Proximity-induced superconducting gap in the quantum spin Hall edge state of monolayer WTe2
Sign Up to like & getrecommendations! Published in 2020 at "Nature Physics"
DOI: 10.1038/s41567-020-0816-x
Abstract: The quantum spin Hall (QSH) state was recently demonstrated in monolayers of the transition metal dichalcogenide 1T'-WTe$_2$ and is characterized by a band gap in the two-dimensional (2D) interior and helical one-dimensional (1D) edge states.… read more here.
Keywords: state; edge state; superconducting gap; edge ... See more keywords
Nanoscale mapping of edge-state conductivity and charge-trap activity in topological insulators.
Sign Up to like & getrecommendations! Published in 2023 at "Materials horizons"
DOI: 10.1039/d2mh01259f
Abstract: We report the nanoscale mapping of topological edge-state conductivity and the effects of charge-traps on conductivity in a Bi2Se3 multilayer film under ambient conditions. In this strategy, we applied an electric field perpendicular to the… read more here.
Keywords: edge state; charge; charge trap; conductivity ... See more keywords
Connection topology of step edge state bands at the surface of a three dimensional topological insulator
Sign Up to like & getrecommendations! Published in 2018 at "New Journal of Physics"
DOI: 10.1088/1367-2630/aacef6
Abstract: Topological insulators in the Bi$_2$Se$_3$ family manifest helical Dirac surface states that span the topologically ordered bulk band gap. Recent scanning tunneling microscopy measurements have discovered additional states in the bulk band gap of Bi$_2$Se$_3$… read more here.
Keywords: edge state; topology; step; topological insulator ... See more keywords
Stability of topological edge states under strong nonlinear effects
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.103.024106
Abstract: We examine the role of strong nonlinearity on the topologically robust edge state in a one-dimensional system. We consider a chain inspired from the Su-Schrieffer-Heeger model but with a finite-frequency edge state and the dynamics… read more here.
Keywords: edge states; edge state; frequency; stability ... See more keywords
Topological edge-state engineering with high-frequency electromagnetic radiation
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.96.205127
Abstract: We outline here how strong light-matter interaction can be used to induce quantum phase transition between normal and topological phases in two-dimensional topological insulators. We consider the c ... read more here.
Keywords: edge state; high frequency; frequency electromagnetic; topological edge ... See more keywords
Structure of edge-state inner products in the fractional quantum Hall effect
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.97.155108
Abstract: We analyze the inner products of edge state wave functions in the fractional quantum Hall effect, specifically for the Laughlin and Moore-Read states. We use an effective description for these inner products given by a… read more here.
Keywords: edge state; inner; quantum hall; fractional quantum ... See more keywords
Discovery of Charge Order and Corresponding Edge State in Kagome Magnet FeGe.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.129.166401
Abstract: Kagome materials often host exotic quantum phases, including spin liquids, Chern gap, charge density wave, and superconductivity. Existing scanning microscopy studies of the kagome charge order have been limited to nonkagome surface layers. Here, we… read more here.
Keywords: fege; charge; charge order; edge state ... See more keywords
Emissive edge state in CH3NH3PbBr3 films probed by fluorescence lifetime imaging technique
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Photonics for Energy"
DOI: 10.1117/1.jpe.8.032205
Abstract: Abstract. Organometallic hybrid perovskites have attracted intense attentions recently, as a new family of solution processable semiconductors for photoenergy conversion and light emission purposes. Specifically, CH3NH3PbBr3 is one type of emissive perovskites, but its quantum… read more here.
Keywords: state; edge state; ch3nh3pbbr3 films; lifetime imaging ... See more keywords
Size Effects on the Conditions of Edge State Formation in 1D Systems
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Experimental and Theoretical Physics"
DOI: 10.1134/s106377611812004x
Abstract: A criterion for revealing edge states in the case when the size of a system is comparable with the localization length of these states has been proposed. The application of the algorithm for determining edge… read more here.
Keywords: edge states; effects conditions; edge state; size effects ... See more keywords