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 …

Graphene and beyond: recent advances in two-dimensional materials synthesis, properties, and devices

Y Lei, T Zhang, YC Lin, T Granzier-Nakajima… - ACS Nanoscience …, 2022 - ACS Publications
Since the isolation of graphene in 2004, two-dimensional (2D) materials research has
rapidly evolved into an entire subdiscipline in the physical sciences with a wide range of …

Native point defects and their implications for the Dirac point gap at MnBi2Te4(0001)

M Garnica, MM Otrokov, PC Aguilar… - npj Quantum …, 2022 - nature.com
We study the surface crystalline and electronic structures of the antiferromagnetic
topological insulator MnBi2Te4 using scanning tunneling microscopy/spectroscopy (STM/S) …

Emergent phenomena in magnetic two-dimensional materials and van der Waals heterostructures

Y Li, B Yang, S Xu, B Huang… - ACS Applied Electronic …, 2022 - ACS Publications
Two-dimensional (2D) materials and their van der Waals (vdW) heterostructures provide
powerful platforms for exploring fascinating physical phenomena and implementing …

Electric control of a canted-antiferromagnetic Chern insulator

J Cai, D Ovchinnikov, Z Fei, M He, T Song, Z Lin… - Nature …, 2022 - nature.com
The interplay between band topology and magnetism can give rise to exotic states of matter.
For example, magnetically doped topological insulators can realize a Chern insulator that …

Realizing spontaneous valley polarization and topological phase transitions in monolayer ScX2 (X= Cl, Br, I)

Y Wu, J Tong, L Deng, F Luo, F Tian, G Qin, X Zhang - Acta Materialia, 2023 - Elsevier
Manipulating the valley degree of freedom besides the charge and spin has attracted
increasing interest in fundamental sciences and emerging applications. In this study, the …

Distinct Magnetic Gaps between Antiferromagnetic and Ferromagnetic Orders Driven by Surface Defects in the Topological Magnet

H Tan, B Yan - Physical review letters, 2023 - APS
Many experiments observed a metallic behavior at zero magnetic fields (antiferromagnetic
phase, AFM) in MnBi 2 Te 4 thin film transport, which coincides with gapless surface states …

Progress on the antiferromagnetic topological insulator MnBi2Te4

S Li, T Liu, C Liu, Y Wang, HZ Lu… - National Science …, 2024 - academic.oup.com
Topological materials, which feature robust surface and/or edge states, have now been a
research focus in condensed matter physics. They represent a new class of materials …

Magnetic anisotropy control with curie temperature above 400 K in a van der Waals ferromagnet for spintronic device

Z Li, M Tang, J Huang, F Qin, L Ao, Z Shen… - Advanced …, 2022 - Wiley Online Library
The technological appeal of van der Waals ferromagnetic materials is the ability to control
magnetism under external fields with desired thickness toward novel spintronic applications …

Fabrication-induced even-odd discrepancy of magnetotransport in few-layer MnBi2Te4

Y Li, Y Wang, Z Lian, H Li, Z Gao, L Xu, H Wang… - Nature …, 2024 - nature.com
The van der Waals antiferromagnetic topological insulator MnBi2Te4 represents a promising
platform for exploring the layer-dependent magnetism and topological states of matter …