Spintronics meets orbitronics: Emergence of orbital angular momentum in solids

D Jo, D Go, GM Choi, HW Lee - npj Spintronics, 2024 - nature.com
One of the ultimate goals of spintronics is to realize an efficient electrical manipulation of
spin for high-speed and low-power nanodevices. A core ingredient for achieving this goal is …

Magnetic topological materials in two-dimensional: theory, material realization and application prospects

X Zhang, X Wang, T He, L Wang, WW Yu, Y Liu, G Liu… - Science Bulletin, 2023 - Elsevier
Abstract Two-dimensional (2D) magnetism and nontrivial band topology are both areas of
research that are currently receiving significant attention in the study of 2D materials …

Orbitronics: Orbital currents in solids

D Go, D Jo, HW Lee, M Kläui, Y Mokrousov - Europhysics Letters, 2021 - iopscience.iop.org
In solids, electronic Bloch states are formed by atomic orbitals. While it is natural to expect
that orbital composition and information about Bloch states can be manipulated and …

Time-domain observation of ballistic orbital-angular-momentum currents with giant relaxation length in tungsten

TS Seifert, D Go, H Hayashi, R Rouzegar… - Nature …, 2023 - nature.com
The emerging field of orbitronics exploits the electron orbital momentum L. Compared to
spin-polarized electrons, L may allow the transfer of magnetic information with considerably …

Robust second-order topological insulators with giant valley polarization in two-dimensional honeycomb ferromagnets

R Li, N Mao, X Wu, B Huang, Y Dai, C Niu - Nano Letters, 2022 - ACS Publications
Magnetic topological states have attracted great attention that provide exciting platforms for
exploring prominent physical phenomena and applications of topological spintronics. Here …

Second-order topological insulators and tunable topological phase transitions in honeycomb ferromagnets

L Cai, R Li, X Wu, B Huang, Y Dai, C Niu - Physical Review B, 2023 - APS
Intrinsic magnetic topological insulators categorized by bulk-boundary correspondence are
of significant fundamental and technological importance in topotronics. Yet the topological …

Antiferromagnetic topological insulator with nonsymmorphic protection in two dimensions

C Niu, H Wang, N Mao, B Huang, Y Mokrousov, Y Dai - Physical review letters, 2020 - APS
The recent demonstration of topological states in antiferromagnets (AFMs) provides an
exciting platform for exploring prominent physical phenomena and applications of …

Robust quantum anomalous Hall effect with tunable magnetization directions and Chern numbers

X Wu, R Li, X Zou, B Huang, Y Dai, C Niu - Physical Review B, 2023 - APS
The quantum anomalous Hall effect (QAHE) has attracted significant attention as it provides
intriguing platforms for exploring prominent physical phenomena and applications of low …

Abundant surface-semimetal phases in three-dimensional obstructed atomic insulators

X Ding, X **, Z Chen, X Lv, DS Ma, X Wu, R Wang - Physical Review B, 2023 - APS
Three-dimensional obstructed atomic insulators (OAIs) are characterized by the appearance
of floating surface states (FSSs) at specific surfaces. Benefiting from this feature, our study …

The chiral Hall effect in canted ferromagnets and antiferromagnets

J Kipp, K Samanta, FR Lux, M Merte, D Go… - Communications …, 2021 - nature.com
The anomalous Hall effect has been indispensable in our understanding of numerous
magnetic phenomena. This concerns both ferromagnetic materials, as well as diverse …