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   Articles with "quantum anomalous" as a keyword



Electrical Manipulation of Topological Phases in a Quantum Anomalous Hall Insulator

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recommendations! 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
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Light‐Induced Quantum Anomalous Hall Effect on the 2D Surfaces of 3D Topological Insulators

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recommendations! 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

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recommendations! 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

Quantum Anomalous Hall Effect in a Linear Spin‐Gapless Semiconducting 2D Zn2N3 Monolayer

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recommendations! Published in 2025 at "Annalen der Physik"

DOI: 10.1002/andp.202500419

Abstract: The search for zero‐gap spin‐polarized materials such as spin‐gapless semiconductors (SGSs) and their interplay with topological phases is of central importance for realizing dissipationless spintronic functionalities, with the quantum anomalous Hall (QAH) effect being a… read more here.

Keywords: spin gapless; zn2n3 monolayer; quantum anomalous; spin ... See more keywords

Large-N Chern insulators: Lattice field theory and quantum simulation approaches to correlation effects in the quantum anomalous Hall effect

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recommendations! 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

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recommendations! 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.

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recommendations! 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.

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recommendations! 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

Quantum anomalous Hall crystals in moiré bands with higher Chern number

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recommendations! Published in 2024 at "Nature Communications"

DOI: 10.1038/s41467-025-62224-9

Abstract: The realization of fractional Chern insulators in moiré materials has sparked the search for further novel phases of matter in this platform. In particular, recent works have demonstrated the possibility of realizing quantum anomalous Hall… read more here.

Keywords: hall; chern number; quantum anomalous; hall crystals ... See more keywords

Tailoring the quantum anomalous layer Hall effect in multiferroic bilayers through sliding

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recommendations! Published in 2024 at "npj Computational Materials"

DOI: 10.1038/s41524-024-01306-6

Abstract: Layer Hall effect (LHE), initially discovered in the magnetic topological insulator MnBi_2Te_4 film, expands the Hall effect family and opens a promising avenue for layertronics applications. In this study, we present an innovative ferroelectric bilayer… read more here.

Keywords: layer; hall effect; quantum anomalous; layer hall ... See more keywords

Direct evidence of ferromagnetism in a quantum anomalous Hall system

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recommendations! 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