Real Chern Insulator in Monolayer Decorated Transition Metal Nitrides
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202505282
Abstract: A trend in recent research is to push the study of topological phases to the spin‐splitting antiferromagnetic (SSAFM) systems, which has become a research forefront of spintronics. Here, the realization of SSAFM real Chern insulator… read more here.
Keywords: real chern; transition metal; spin; chern insulator ... See more keywords
Spin-orbit coupling-induced band inversion and spin Chern insulator phase in plumbene and stanene
Sign Up to like & getrecommendations! Published in 2020 at "Current Applied Physics"
DOI: 10.1016/j.cap.2019.12.009
Abstract: Abstract Z 2 topology in two-dimensional group IVA materials has been explained by the band orders due to the crystal field splitting at the Γ point in the Brillouin zone, while spin-orbit coupling (SOC) was… read more here.
Keywords: plumbene; chern insulator; band; spin ... See more keywords
Tunable Topological States in Stacked Chern Insulator Bilayers.
Sign Up to like & getrecommendations! Published in 2023 at "Nano letters"
DOI: 10.1021/acs.nanolett.3c00154
Abstract: The emergence of intrinsic quantum anomalous Hall (QAH) insulators with a long-range ferromagnetic (FM) order triggers unprecedented prosperity for combining topology and magnetism in low dimensions. Built upon atom-thin Chern insulator monolayer MnBr3, we propose… read more here.
Keywords: tunable topological; insulator; stacked chern; insulator bilayers ... See more keywords
Selective and quasi-continuous switching of ferroelectric Chern insulator devices for neuromorphic computing
Sign Up to like & getrecommendations! Published in 2024 at "Nature Nanotechnology"
DOI: 10.1038/s41565-024-01698-y
Abstract: Quantum materials exhibit dissipationless topological edge state transport with quantized Hall conductance, offering notable potential for fault-tolerant computing technologies. However, the development of topological edge state-based computing devices remains a challenge. Here we report the… read more here.
Keywords: neuromorphic computing; selective quasi; insulator devices; quasi continuous ... See more keywords
Tunable correlated Chern insulator and ferromagnetism in a moiré superlattice
Sign Up to like & getrecommendations! Published in 2020 at "Nature"
DOI: 10.1038/s41586-020-2049-7
Abstract: Studies of two-dimensional electron systems in a strong magnetic field revealed the quantum Hall effect 1 , a topological state of matter featuring a finite Chern number C and chiral edge states 2 , 3… read more here.
Keywords: superlattice; field; chern insulator; moir ... See more keywords
Interplay of fractional Chern insulator and charge density wave phases in twisted bilayer graphene
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.103.125406
Abstract: Large-scale exact diagonalization reveals the competition between fractional Chern insulator and charge density wave states in a realistic spin- and valley-polarized single-band model for twisted bilayer graphene aligned with its hexagonal boron nitride substrate. While… read more here.
Keywords: fractional chern; charge density; insulator charge; density wave ... See more keywords
Collective excitations of the Chern-insulator states in commensurate double moiré superlattices of twisted bilayer graphene on hexagonal boron nitride
Sign Up to like & getrecommendations! Published in 2023 at "Physical Review B"
DOI: 10.1103/physrevb.107.195434
Abstract: We study the collective excitation modes of the Chern insulator states in magic-angle twisted bilayer graphene aligned with hexagonal boron nitride (TBG/BN) at odd integer fillings ($\nu$) of the flat bands. For the $1 \times… read more here.
Keywords: tbg; insulator states; excitation; twisted bilayer ... See more keywords
Quantum Hall criticality in an amorphous Chern insulator
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review B"
DOI: 10.1103/physrevb.109.174213
Abstract: We explore the critical properties of a topological transition in a two-dimensional, amorphous lattice with randomly distributed points. The model intrinsically breaks the time-reversal symmetry without an external magnetic field, akin to a Chern insulator.… read more here.
Keywords: chern insulator; transition; quantum hall;
Photonic realization of chiral hinge states in a Chern-insulator stack
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review B"
DOI: 10.1103/physrevb.111.l041112
Abstract: Higher-order topological insulators, as a novel family of topological phases, are a hot frontier in condensed matter physics due to their adherence to unconventional bulk-boundary correspondence. A three-dimensional second-order topological insulator can support one-dimensional modes… read more here.
Keywords: hinge states; hinge; insulator stack; chern insulator ... See more keywords
Impurity-induced current in a Chern insulator
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.95.115434
Abstract: Chern insulators arguably provide the simplest examples of topological phases. They are characterized by a topological invariant and can be identified by the presence of protected edge states. In this article, we show that a… read more here.
Keywords: bound states; impurity induced; chern insulator; impurity ... See more keywords
Anomalous helical edge states in a non-Hermitian Chern insulator
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.98.165148
Abstract: A non-Hermitian extension of a Chern insulator and its bulk-boundary correspondence are investigated. It is shown that in addition to the robust chiral edge states that reflect the nontrivial topology of the bulk (nonzero Chern… read more here.
Keywords: chern insulator; edge; edge states; anomalous helical ... See more keywords