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 …

Van der Waals heterostructures for spintronics and opto-spintronics

JF Sierra, J Fabian, RK Kawakami, S Roche… - Nature …, 2021‏ - nature.com
The large variety of 2D materials and their co-integration in van der Waals heterostructures
enable innovative device engineering. In addition, their atomically thin nature promotes the …

Opportunities in topological insulator devices

O Breunig, Y Ando - Nature Reviews Physics, 2022‏ - nature.com
Topological insulators (TIs) hold promise as a platform for unique quantum phenomena.
However, realizing these phenomena experimentally requires sophisticated devices. In this …

Quantum anomalous Hall effect with a permanent magnet defines a quantum resistance standard

Y Okazaki, T Oe, M Kawamura, R Yoshimi… - Nature Physics, 2022‏ - nature.com
The quantum anomalous Hall effect (QAHE),,,,–is a transport phenomenon where the Hall
resistance is quantized to the von Klitzing constant due to the spontaneous magnetization of …

Current-induced switching of proximity-induced ferromagnetic surface states in a topological insulator

M Mogi, K Yasuda, R Fujimura, R Yoshimi… - Nature …, 2021‏ - nature.com
Electrical manipulation of magnetization could be an essential function for energy-efficient
spintronics technology. A magnetic topological insulator, possessing a magnetically gapped …

Magnetic topological insulator heterostructures: A review

J Liu, T Hesjedal - Advanced Materials, 2023‏ - Wiley Online Library
Topological insulators (TIs) provide intriguing prospects for the future of spintronics due to
their large spin–orbit coupling and dissipationless, counter‐propagating conduction …

Routes to realize the axion-insulator phase in MnBi2Te4 (Bi2Te3) n family

Y Zhao, Q Liu - Applied Physics Letters, 2021‏ - pubs.aip.org
Axion, first postulated as a hypothetical particle in high-energy physics, is now extended to
describe a novel topological magnetoelectric effect derived from the Chern–Simons theory …

Recent progress in proximity coupling of magnetism to topological insulators

S Bhattacharyya, G Akhgar, M Gebert… - Advanced …, 2021‏ - Wiley Online Library
Inducing long‐range magnetic order in 3D topological insulators can gap the Dirac‐like
metallic surface states, leading to exotic new phases such as the quantum anomalous Hall …

Recent innovations in 2D magnetic materials and their potential applications in the modern era

E Elahi, MA Khan, M Suleman, A Dahshan, S Rehman… - Materials Today, 2024‏ - Elsevier
In recent years, enormous efforts have been made to identify and manipulate the exotic
electrical and magnetic properties at a two-dimensional (2D) limit of various exciting …

Distinguishing surface and bulk electromagnetism via their dynamics in an intrinsic magnetic topological insulator

KD Nguyen, W Lee, J Dang, T Wu, G Berruto, C Yan… - Science …, 2024‏ - science.org
The indirect exchange interaction between local magnetic moments via surface electrons
has been long predicted to bolster the surface ferromagnetism in magnetic topological …