activity
20202026
most citedExploring orbital-charge conversion mediated by interfaces with copper through spin-orbital pumping

35 citations · 96 across the 8 of their papers we have counts for

collaborators

8 papers

cond-mat.mtrl-sci2026

Phase-selective orbital-charge conversion in

J. L. Costa, E. Santos, G. R. Gallo +7

Two-dimensional transition metal dichalcogenides (TMDs) have emerged as promising materials for spin--orbitronics owing to their strong spin--orbit coupling and rich electronic pha…

cond-mat.mes-hall2025★ 1 cited

Anisotropy-Driven Anomalous Inverse Orbital Hall Effect in Fe Films

E. Santos, U. Borges, J. L. Costa +2

This study investigates the anomalous orbital effects in iron (Fe) films with strong uniaxial anisotropy, highlighting the interactions between spin and orbital currents. Using het…

cond-mat.mes-hall2025

Revealing the Dominance of the Orbital Hall Effect over Spin in Transition Metal Heterostructures

J. L. Costa, E. Santos, J. B. S. Mendes +1

We study inverse spin and orbital Hall effects in 19 transition metals using spin-pumping driven by ferromagnetic resonance. Spin-to-charge conversion was measured in YIG/X(5), whi…

cond-mat.mes-hall2024★ 19 cited

Anomalous Spin and Orbital Hall Phenomena in Antiferromagnetic Systems

J. E. Abrão, E. Santos, J. L. Costa +3

We investigate anomalous spin and orbital Hall phenomena in antiferromagnetic (AF) materials via orbital pumping experiments. Conducting spin and orbital pumping experiments on YIG…

cond-mat.mes-hall2024★ 19 cited

Negative orbital Hall effect in Germanium

E. Santos, J. E. Abrao, J. L. Costa +3

Our investigation reveals a groundbreaking discovery of a negative inverse orbital Hall effect (IOHE) in Ge thin films. We employed the innovative orbital pumping technique where s…

cond-mat.mes-hall2023★ 35 cited

Exploring orbital-charge conversion mediated by interfaces with copper through spin-orbital pumping

E. Santos, J. E. Abrão, A. S. Vieira +3

We investigated how different materials affect the orbital-charge conversion in heterostructures with the naturally oxidized cooper capping layer. When we added a thin layer of $Cu…

cond-mat.mes-hall2022

Inverse Orbital Torque via Spin-Orbital Entangled States

E. Santos, J. E. Abrão, Dongwook Go +4

While current-induced torque by orbital current has been experimentally found in various structures, evidence for its reciprocity has been missing so far. Here, we report experimen…

physics.app-ph2020★ 22 cited

Magnon-mediated spin currents in Tm3Fe5O12/Pt with perpendicular magnetic anisotropy

G. L. S. Vilela, J. E. Abrao, E. Santos +7

The control of pure spin currents carried by magnons in magnetic insulator (MI) garnet films with a robust perpendicular magnetic anisotropy (PMA) is of great interest to spintroni…