Time-domain observation of ballistic orbital-angular-momentum currents with giant relaxation length in tungsten
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 …
spin-polarized electrons, L may allow the transfer of magnetic information with considerably …
Long-range orbital torque by momentum-space hotspots
While it is often assumed that the orbital response is suppressed and short ranged due to
strong crystal field potential and orbital quenching, we show that the orbital response can be …
strong crystal field potential and orbital quenching, we show that the orbital response can be …
Ultrafast THz probing of nonlocal orbital current in transverse multilayer metallic heterostructures
THz generation from femtosecond photoexcited spintronic heterostructures has become a
versatile tool for investigating ultrafast spin-transport and transient charge-current in a non …
versatile tool for investigating ultrafast spin-transport and transient charge-current in a non …
Exploring orbital-charge conversion mediated by interfaces with through spin-orbital pumping
We explore the impact of different materials on orbital-charge conversion in heterostructures
with a naturally oxidized copper capping layer. Introducing a thin layer of Cu O x (3 nm) to …
with a naturally oxidized copper capping layer. Introducing a thin layer of Cu O x (3 nm) to …
Giant orbital-to-spin conversion for efficient current-induced magnetization switching of ferrimagnetic insulator
It has long been believed that the attachment of two heavy metals such as Ta and Pt with
opposite spin Hall angles results in a weakened net torque generation efficiency in …
opposite spin Hall angles results in a weakened net torque generation efficiency in …
First-principles calculation of orbital Hall effect by Wannier interpolation: Role of orbital dependence of the anomalous position
The position operator in a Bloch representation acquires a gauge correction in the
momentum space on top of the canonical position, which is called the anomalous position …
momentum space on top of the canonical position, which is called the anomalous position …
Active ballistic orbital transport in Ni/Pt heterostructure
Orbital current, defined as the orbital character of Bloch states in solids, can travel with larger
coherence length through a broader range of materials than its spin counterpart, facilitating …
coherence length through a broader range of materials than its spin counterpart, facilitating …
Symmetry fractionalization in the gauge mean-field theory of quantum spin ice
F Desrochers, LE Chern, YB Kim - Physical Review B, 2023 - APS
Symmetry fractionalization is a ubiquitous feature of topologically ordered states that can be
used to classify different symmetry-enriched topological phases and reveal some of their …
used to classify different symmetry-enriched topological phases and reveal some of their …
Orbital Hall magnetoresistance in Ni/Ti bilayers
We report the observation of the orbital counterpart of the spin Hall magnetoresistance
(SMR): the orbital Hall magnetoresistance (OMR). We measured angular-dependent …
(SMR): the orbital Hall magnetoresistance (OMR). We measured angular-dependent …
Current-induced magnetization switching in light-metal-oxide/ferromagnetic-metal bilayers via orbital Rashba effect
QK Huang, S Liu, T Yang, R Xie, L Cai, Q Cao… - Nano Letters, 2023 - ACS Publications
The orbital angular momentum (OAM) generation as well as its associated orbital torque is
currently a matter of great interest in spin–orbitronics and is receiving increasing attention. In …
currently a matter of great interest in spin–orbitronics and is receiving increasing attention. In …