activity
20232026
most citedExploring orbital-charge conversion mediated by interfaces with copper through spin-orbital pumping

35 citations · 104 across the 10 of their papers we have counts for

collaborators

10 papers

cond-mat.mes-hall2026

Interfacial Spin-to-Charge Conversion in Sputtered MoTe2 Heterostructures Probed by Spin Pumping and Spin-Torque Ferromagnetic Resonance

J. L. Costa, E. Santos, E. L. T. França +2

Transition metal dichalcogenides (TMDs) and their Weyl semimetal phases, such as MoTe, have attracted significant attention for spin-orbit torque applications due to their effi…

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.mtrl-sci2024★ 25 cited

Bulk and Interface Effects Based on Rashba-Like States in Ti and Ru Nanoscale-Thick Films: Implications for Orbital-Charge Conversion in Spintronic Devices

Eduardo S. Santos, José E. Abrão, Jefferson L. Costa +8

In this work, employing spin-pumping techniques driven by both ferromagnetic resonance (SP-FMR) and longitudinal spin Seebeck effect (LSSE) to manipulate and direct observe orbital…

cond-mat.mes-hall2023

Experimental verification of the inverse Anomalous spin Hall effect with perpendicular magnetic anisotropy Materials

J. E. Abrão, A. R. Rodrigues, H. F. Ding +2

In this work, the spin pumping technique was employed to investigate the anomalous inverse spin Hall effect in BIG/NiO/Fe samples where BIG[(Bi,Tm)3(Fe,Ga)5O12] exhibits perpendicu…

cond-mat.mtrl-sci2023★ 5 cited

Surface-state mediated spin-to-charge conversion in Sb films via bilateral spin current injection

E. Gomes, J. E. Abrão, E. S. Santos +4

The spin-to-charge conversion phenomena is investigated in a trilayer structure consisting of Co(12 nm)/Sb(t)/Py(12 nm), where the thickness t of the antimony layer is varied. Usin…

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…