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 …

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 …

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 …

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 …

Recent advances in 2D material theory, synthesis, properties, and applications

YC Lin, R Torsi, R Younas, CL Hinkle, AF Rigosi… - ACS …, 2023 - ACS Publications
Two-dimensional (2D) material research is rapidly evolving to broaden the spectrum of
emergent 2D systems. Here, we review recent advances in the theory, synthesis …

The 2021 quantum materials roadmap

F Giustino, JH Lee, F Trier, M Bibes… - Journal of Physics …, 2021 - iopscience.iop.org
In recent years, the notion of'Quantum Materials' has emerged as a powerful unifying
concept across diverse fields of science and engineering, from condensed-matter and …

Extended quantum anomalous Hall states in graphene/hBN moiré superlattices

Z Lu, T Han, Y Yao, Z Hadjri, J Yang, J Seo, L Shi, S Ye… - Nature, 2025 - nature.com
Electrons in topological flat bands can form new topological states driven by correlation
effects. The pentalayer rhombohedral graphene/hexagonal boron nitride (hBN) moiré …

Topological quantum computation based on chiral Majorana fermions

B Lian, XQ Sun, A Vaezi, XL Qi… - Proceedings of the …, 2018 - National Acad Sciences
The chiral Majorana fermion is a massless self-conjugate fermion which can arise as the
edge state of certain 2D topological matters. It has been theoretically predicted and …

Mn‐Rich MnSb2Te4: A Topological Insulator with Magnetic Gap Closing at High Curie Temperatures of 45–50 K

S Wimmer, J Sánchez‐Barriga, P Küppers… - Advanced …, 2021 - Wiley Online Library
Ferromagnetic topological insulators exhibit the quantum anomalous Hall effect, which is
potentially useful for high‐precision metrology, edge channel spintronics, and topological …

Absence of evidence for chiral Majorana modes in quantum anomalous Hall-superconductor devices

M Kayyalha, D **ao, R Zhang, J Shin, J Jiang, F Wang… - Science, 2020 - science.org
A quantum anomalous Hall (QAH) insulator coupled to an s-wave superconductor is
predicted to harbor chiral Majorana modes. A recent experiment interprets the half …