Magnetic topological insulators

Y Tokura, K Yasuda, A Tsukazaki - Nature Reviews Physics, 2019 - nature.com
The importance of global band topology is unequivocally recognized in condensed matter
physics, and new states of matter, such as topological insulators, have been discovered …

Spin-orbit torques: Materials, mechanisms, performances, and potential applications

C Song, R Zhang, L Liao, Y Zhou, X Zhou… - Progress in Materials …, 2021 - Elsevier
Current-induced spin-orbit torque (SOT) is attracting increasing interest and exciting
significant research activity. We aim to provide a comprehensive review of recent progress in …

Emergent ferromagnetism near three-quarters filling in twisted bilayer graphene

AL Sharpe, EJ Fox, AW Barnard, J Finney, K Watanabe… - Science, 2019 - science.org
When two sheets of graphene are stacked at a small twist angle, the resulting flat
superlattice minibands are expected to strongly enhance electron-electron interactions …

Above Room-Temperature Ferromagnetism in Wafer-Scale Two-Dimensional van der Waals Fe3GeTe2 Tailored by a Topological Insulator

H Wang, Y Liu, P Wu, W Hou, Y Jiang, X Li, C Pandey… - ACS …, 2020 - ACS Publications
The emerging two-dimensional ferromagnetic materials present atomic layer thickness and
a perfect interface feature, which have become an attractive research direction in the field of …

The quantum anomalous Hall effect: theory and experiment

CX Liu, SC Zhang, XL Qi - Annual Review of Condensed Matter …, 2016 - annualreviews.org
The quantum anomalous Hall effect is defined as a quantized Hall effect realized in a system
without an external magnetic field. The quantum anomalous Hall effect is a novel …

Magnetization switching through giant spin–orbit torque in a magnetically doped topological insulator heterostructure

Y Fan, P Upadhyaya, X Kou, M Lang, S Takei… - Nature materials, 2014 - nature.com
Recent demonstrations of magnetization switching induced by in-plane current in heavy
metal/ferromagnetic heterostructures (HMFHs) have drawn great attention to spin torques …

Scale-invariant quantum anomalous Hall effect in magnetic topological insulators beyond the two-dimensional limit

X Kou, ST Guo, Y Fan, L Pan, M Lang, Y Jiang, Q Shao… - Physical review …, 2014 - APS
We investigate the quantum anomalous Hall effect (QAHE) and related chiral transport in the
millimeter-size (Cr 0.12 Bi 0.26 Sb 0.62) 2 Te 3 films. With high sample quality and robust …

Bulk and boundary invariants for complex topological insulators

E Prodan, H Schulz-Baldes - K, 2016 - Springer
Topological insulators are crystalline solids with supposedly very special properties. If
stumbling upon such a crystal, which is possible because topological insulators are known …

Interface-induced phenomena in magnetism

F Hellman, A Hoffmann, Y Tserkovnyak… - Reviews of modern …, 2017 - APS
This article reviews static and dynamic interfacial effects in magnetism, focusing on
interfacially driven magnetic effects and phenomena associated with spin-orbit coupling and …

Precise quantization of the anomalous Hall effect near zero magnetic field

AJ Bestwick, EJ Fox, X Kou, L Pan, KL Wang… - Physical review …, 2015 - APS
We report a nearly ideal quantum anomalous Hall effect in a three-dimensional topological
insulator thin film with ferromagnetic doping. Near zero applied magnetic field we measure …