Chiral spintronics

SH Yang, R Naaman, Y Paltiel, SSP Parkin - Nature Reviews Physics, 2021 - nature.com
As spins move through a chiral electric field, the resulting spin current can acquire chirality
through a spin–orbit interaction. Such spin currents are highly useful in creating spin–orbit …

Recent developments in van der Waals antiferromagnetic 2D materials: Synthesis, characterization, and device implementation

S Rahman, JF Torres, AR Khan, Y Lu - ACS nano, 2021 - ACS Publications
Magnetism in two dimensions is one of the most intriguing and alluring phenomena in
condensed matter physics. Atomically thin 2D materials have emerged as a promising …

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 …

Intertwined Topological and Magnetic Orders in Atomically Thin Chern Insulator MnBi2Te4

D Ovchinnikov, X Huang, Z Lin, Z Fei, J Cai, T Song… - Nano …, 2021 - ACS Publications
MnBi2Te4, a van der Waals magnet, is an emergent platform for exploring Chern insulator
physics. Its layered antiferromagnetic order was predicted to enable even–odd layer number …

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 …

Odd-Even Layer-Number Effect and Layer-Dependent Magnetic Phase Diagrams in

S Yang, X Xu, Y Zhu, R Niu, C Xu, Y Peng, X Cheng… - Physical Review X, 2021 - APS
Recently reported with nontrivial topological properties and magnetic orders, MnBi 2 Te 4 is
an intrinsic, magnetic topological insulator which holds promise for exploring exotic quantum …

Even–Odd Layer-Dependent Anomalous Hall Effect in Topological Magnet MnBi2Te4 Thin Films

YF Zhao, LJ Zhou, F Wang, G Wang, T Song… - Nano …, 2021 - ACS Publications
Recently, MnBi2Te4 has been demonstrated to be an intrinsic magnetic topological insulator
and the quantum anomalous Hall (QAH) effect was observed in exfoliated MnBi2Te4 flakes …

Tuning Fermi Levels in Intrinsic Antiferromagnetic Topological Insulators MnBi2Te4 and MnBi4Te7 by Defect Engineering and Chemical Doping

MH Du, J Yan, VR Cooper… - Advanced Functional …, 2021 - Wiley Online Library
Abstract MnBi2Te4 and MnBi4Te7 are intrinsic antiferromagnetic topological insulators,
offering a promising materials platform for realizing exotic topological quantum states …

Evidence for one-dimensional chiral edge states in a magnetic Weyl semimetal Co3Sn2S2

S Howard, L Jiao, Z Wang, N Morali, R Batabyal… - Nature …, 2021 - nature.com
The physical realization of Chern insulators is of fundamental and practical interest, as they
are predicted to host the quantum anomalous Hall (QAH) effect and topologically protected …

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 …