Electrical Manipulation of Topological Phases in a Quantum Anomalous Hall Insulator
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202207622
Abstract: Quantum anomalous Hall phases arising from the inverted band topology in magnetically doped topological insulators have emerged as an important subject of research for quantization at zero magnetic fields. Though necessary for practical implementation, sophisticated… read more here.
Keywords: topology; hall insulator; control; anomalous hall ... See more keywords
Light‐Induced Quantum Anomalous Hall Effect on the 2D Surfaces of 3D Topological Insulators
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Science"
DOI: 10.1002/advs.202101508
Abstract: Abstract Quantum anomalous Hall (QAH) effect generates quantized electric charge Hall conductance without external magnetic field. It requires both nontrivial band topology and time‐reversal symmetry (TRS) breaking. In most cases, one can break the TRS… read more here.
Keywords: anomalous hall; transition; hall; quantum anomalous ... See more keywords
Intermixing‐Driven Surface and Bulk Ferromagnetism in the Quantum Anomalous Hall Candidate MnBi6Te10
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Science"
DOI: 10.1002/advs.202203239
Abstract: The recent realizations of the quantum anomalous Hall effect (QAHE) in MnBi2Te4 and MnBi4Te7 benchmark the (MnBi2Te4)(Bi2Te3)n family as a promising hotbed for further QAHE improvements. The family owes its potential to its ferromagnetically (FM)… read more here.
Keywords: intermixing driven; driven surface; surface; anomalous hall ... See more keywords
Large-N Chern insulators: Lattice field theory and quantum simulation approaches to correlation effects in the quantum anomalous Hall effect
Sign Up to like & getrecommendations! Published in 2022 at "Annals of Physics"
DOI: 10.1016/j.aop.2022.168763
Abstract: Four-Fermi quantum field theories in (2+1) dimensions lie among the simplest models in high-energy physics, the understanding of which requires a non-perturbative lattice formulation addressing their strongly-coupled fixed points. These lattice models are also relevant… read more here.
Keywords: anomalous hall; chern insulators; field; quantum anomalous ... See more keywords
Transport properties of a quantum dot based on the quantum anomalous Hall insulator
Sign Up to like & getrecommendations! Published in 2019 at "Physica E: Low-dimensional Systems and Nanostructures"
DOI: 10.1016/j.physe.2019.03.016
Abstract: Abstract We study the transport properties of a quantum dot (QD) fabricated by a quantum anomalous Hall insulator. It is found that energy levels of the QD are quantized due to the quantum confinement effect,… read more here.
Keywords: transport properties; hall insulator; quantum dot; properties quantum ... See more keywords
Non-Collinear Orbital induced Planar Quantum Anomalous Hall Effect.
Sign Up to like & getrecommendations! Published in 2020 at "Nano letters"
DOI: 10.1021/acs.nanolett.0c03136
Abstract: Based on the 2D star lattice with non-collinear orbital, we present an intriguing six-band tight-binding model for planar quantum anomalous Hall effect (PQAHE) with in-plane magnetization. Depending on the orientation of non-collinear orbital, the characterized… read more here.
Keywords: anomalous hall; quantum anomalous; hall effect; collinear orbital ... See more keywords
Controllable Chirality and Band Gap of Quantum Anomalous Hall Insulators.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c04369
Abstract: Finding guiding principles to optimize properties of quantum anomalous Hall (QAH) insulators is of pivotal importance to fundamental science and applications. Here, we build a first-principles QAH material database of chirality and band gap, explore… read more here.
Keywords: chirality band; band gap; gap; anomalous hall ... See more keywords
Direct evidence of ferromagnetism in a quantum anomalous Hall system
Sign Up to like & getrecommendations! Published in 2018 at "Nature Physics"
DOI: 10.1038/s41567-018-0149-1
Abstract: Quantum anomalous Hall (QAH) systems are of great fundamental interest and potential application because of their dissipationless conduction without the need for an external magnetic field1–9. The QAH effect has been realized in magnetically doped… read more here.
Keywords: anomalous hall; microscopy; quantum anomalous; range ferromagnetic ... See more keywords
High-temperature Dirac half-metal PdCl3: a promising candidate for realizing quantum anomalous Hall effect
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Materials Chemistry C"
DOI: 10.1039/c8tc02500b
Abstract: The prospect of a Dirac half-metal (DHM) and the realization of the quantum anomalous Hall effect (QAHE) on a honeycomb lattice without external fields are a great challenge in experiments due to the structural complexities… read more here.
Keywords: temperature; quantum anomalous; pdcl3; effect ... See more keywords
A high-temperature quantum anomalous Hall effect in electride gadolinium monohalides
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Materials Chemistry C"
DOI: 10.1039/d1tc01513c
Abstract: We predict that an intrinsic high-temperature QAHE with in-plane magnetization can be obtained in monolayer GdX (X = F, Cl, Br, and I), a new class of electrides. read more here.
Keywords: temperature; anomalous hall; temperature quantum; quantum anomalous ... See more keywords
Absence of a Dirac gap in ferromagnetic Crx(Bi0.1Sb0.9)2−xTe3
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Applied Physics"
DOI: 10.1063/5.0039059
Abstract: Magnetism breaks the time-reversal symmetry expected to open a Dirac gap in 3D topological insulators that consequently leads to the quantum anomalous Hall effect. The most common approach of inducing a ferromagnetic state is by… read more here.
Keywords: dirac gap; surface; quantum anomalous; topological insulators ... See more keywords