Angle-resolved photoemission studies of quantum materials

JA Sobota, Y He, ZX Shen - Reviews of Modern Physics, 2021 - APS
The physics of quantum materials is dictated by many-body interactions and mathematical
concepts such as symmetry and topology that have transformed our understanding of matter …

Rashba-like physics in condensed matter

G Bihlmayer, P Noël, DV Vyalikh, EV Chulkov… - Nature Reviews …, 2022 - nature.com
Spin–orbit coupling induces a unique form of Zeeman interaction in momentum space in
materials that lack inversion symmetry: the electron's spin is locked on an effective magnetic …

Observation of the orbital Hall effect in a light metal Ti

YG Choi, D Jo, KH Ko, D Go, KH Kim, HG Park, C Kim… - Nature, 2023 - nature.com
The orbital Hall effect refers to the generation of electron orbital angular momentum flow
transverse to an external electric field. Contrary to the common belief that the orbital angular …

Current-induced spin-orbit torques in ferromagnetic and antiferromagnetic systems

A Manchon, J Železný, IM Miron, T Jungwirth… - Reviews of Modern …, 2019 - APS
Spin-orbit coupling in inversion-asymmetric magnetic crystals and structures has emerged
as a powerful tool to generate complex magnetic textures, interconvert charge and spin …

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 …

Orbital torque in magnetic bilayers

D Lee, D Go, HJ Park, W Jeong, HW Ko, D Yun… - Nature …, 2021 - nature.com
The orbital Hall effect describes the generation of the orbital current flowing in a
perpendicular direction to an external electric field, analogous to the spin Hall effect. As the …

Oxide spin-orbitronics: spin–charge interconversion and topological spin textures

F Trier, P Noël, JV Kim, JP Attané, L Vila… - Nature Reviews …, 2022 - nature.com
Oxide materials possess a vast range of functional properties, ranging from
superconductivity to multiferroicity, that stem from the interplay between the lattice, charge …

Observation of the orbital Rashba-Edelstein magnetoresistance

S Ding, Z Liang, D Go, C Yun, M Xue, Z Liu, S Becker… - Physical review …, 2022 - APS
We report the observation of magnetoresistance (MR) that could originate from the orbital
angular momentum (OAM) transport in a permalloy (Py)/oxidized Cu (Cu*) heterostructure …

Orbital torque: Torque generation by orbital current injection

D Go, HW Lee - Physical review research, 2020 - APS
We propose a mechanism of torque generation by injection of an orbital current, which we
call orbital torque. In a magnetic bilayer consisting of a nonmagnet (NM) and a ferromagnet …

Direct visualization of Rashba-split bands and spin/orbital-charge interconversion at KTaO3 interfaces

S Varotto, A Johansson, B Göbel… - Nature …, 2022 - nature.com
Rashba interfaces have emerged as promising platforms for spin-charge interconversion
through the direct and inverse Edelstein effects. Notably, oxide-based two-dimensional …