The magnetic genome of two-dimensional van der Waals materials

QH Wang, A Bedoya-Pinto, M Blei, AH Dismukes… - ACS …, 2022 - ACS Publications
Magnetism in two-dimensional (2D) van der Waals (vdW) materials has recently emerged as
one of the most promising areas in condensed matter research, with many exciting emerging …

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 …

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) …

Sample-dependent Dirac-point gap in and its response to applied surface charge: A combined photoemission and ab initio study

AM Shikin, DA Estyunin, NL Zaitsev, D Glazkova… - Physical Review B, 2021 - APS
Recently discovered intrinsic antiferromagnetic topological insulator Mn Bi 2 Te 4 presents
an exciting platform for realization of the quantum anomalous Hall effect and a number of …

Unification of nonlinear anomalous Hall effect and nonreciprocal magnetoresistance in metals by the quantum geometry

D Kaplan, T Holder, B Yan - Physical review letters, 2024 - APS
The quantum geometry has significant consequences in determining transport and optical
properties in quantum materials. Here, we use a semiclassical formalism coupled with …

Exploring the Epitaxial Growth Kinetics and Anomalous Hall Effect in Magnetic Topological Insulator MnBi2Te4 Films

J Luo, Q Tong, Z Jiang, H Bai, J Wu, X Liu, S **e… - ACS …, 2023 - ACS Publications
The discovery of MnBi2Te4-based intrinsic magnetic topological insulators has fueled
tremendous interest in condensed matter physics, owing to their potential as an ideal …

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 …

Quantized anomalous Hall resistivity achieved in molecular beam epitaxy-grown MnBi2Te4 thin films

Y Bai, Y Li, J Luan, R Liu, W Song, Y Chen… - National Science …, 2024 - academic.oup.com
The intrinsic magnetic topological insulator MnBi2Te4 provides a feasible pathway to the
high-temperature quantum anomalous Hall (QAH) effect as well as various novel topological …

Visualizing atomically layered magnetism in CrSBr

DJ Rizzo, AS McLeod, C Carnahan… - Advanced …, 2022 - Wiley Online Library
Abstract 2D materials can host long‐range magnetic order in the presence of underlying
magnetic anisotropy. The ability to realize the full potential of 2D magnets necessitates …

Irremovable Mn-Bi Site Mixing in MnBi2Te4

X Wu, C Ruan, P Tang, F Kang, W Duan, J Li - Nano Letters, 2023 - ACS Publications
MnBi2Te4, an antiferromagnetic topological insulator, was theoretically predicted to have a
gapped surface state on its (111) surface. However, a much smaller gapped or even gapless …