Colloquium: Quantum anomalous Hall effect

CZ Chang, CX Liu, AH MacDonald - Reviews of Modern Physics, 2023‏ - APS
The quantum Hall (QH) effect, quantized Hall resistance combined with zero longitudinal
resistance, is the characteristic experimental fingerprint of Chern insulators—topologically …

Topological spintronics and magnetoelectronics

QL He, TL Hughes, NP Armitage, Y Tokura, KL Wang - Nature materials, 2022‏ - nature.com
Topological electronic materials, such as topological insulators, are distinct from trivial
materials in the topology of their electronic band structures that lead to robust …

Layer Hall effect in a 2D topological axion antiferromagnet

A Gao, YF Liu, C Hu, JX Qiu, C Tzschaschel, B Ghosh… - Nature, 2021‏ - nature.com
Whereas ferromagnets have been known and used for millennia, antiferromagnets were
only discovered in the 1930s. At large scale, because of the absence of global …

Robust axion insulator and Chern insulator phases in a two-dimensional antiferromagnetic topological insulator

C Liu, Y Wang, H Li, Y Wu, Y Li, J Li, K He, Y Xu… - Nature materials, 2020‏ - nature.com
The intricate interplay between non-trivial topology and magnetism in two-dimensional
materials can lead to the emergence of interesting phenomena such as the quantum …

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 …

Intrinsic magnetic topological insulators in van der Waals layered MnBi2Te4-family materials

J Li, Y Li, S Du, Z Wang, BL Gu, SC Zhang, K He… - Science …, 2019‏ - science.org
The interplay of magnetism and topology is a key research subject in condensed matter
physics, which offers great opportunities to explore emerging new physics, such as the …

Unique Thickness-Dependent Properties of the van der Waals Interlayer Antiferromagnet Films

MM Otrokov, IP Rusinov, M Blanco-Rey, M Hoffmann… - Physical review …, 2019‏ - APS
Using density functional theory and Monte Carlo calculations, we study the thickness
dependence of the magnetic and electronic properties of a van der Waals interlayer …

[HTML][HTML] Axion electrodynamics in topological materials

A Sekine, K Nomura - Journal of Applied Physics, 2021‏ - pubs.aip.org
One of the intriguing properties characteristic to three-dimensional topological materials is
the topological magnetoelectric phenomena arising from a topological term called the θ …

Large magnetic gap at the Dirac point in Bi2Te3/MnBi2Te4 heterostructures

EDL Rienks, S Wimmer, J Sánchez-Barriga, O Caha… - Nature, 2019‏ - nature.com
Magnetically doped topological insulators enable the quantum anomalous Hall effect
(QAHE), which provides quantized edge states for lossless charge-transport applications …

Realization of the axion insulator state in quantum anomalous Hall sandwich heterostructures

D **ao, J Jiang, JH Shin, W Wang, F Wang, YF Zhao… - Physical review …, 2018‏ - APS
The “magnetoelectric effect” arises from the coupling between magnetic and electric
properties in materials. The Z 2 invariant of topological insulators (TIs) leads to a quantized …