ArticleNature communications2024
Orbitronics: light-induced orbital currents in Ni studied by terahertz emission experiments.
Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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Who cites it
6 citing papers in PubMed.
- Observation of orbital-angular-momentum-driven temperature modulation via the spin Peltier effect.Science advances · 2026Article
- Ultrafast Dynamics of Spin Current and Electron Temperature in Spintronic Terahertz Emitters.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Evidences of subnanometre orbital diffusion length in heavy metals using terahertz emission spectroscopy.Nature nanotechnology · 2026Article
- Harnessing orbital Hall effect in spin-orbit torque MRAM.Nature communications · 2025Article
- Spin-orbit interaction driven terahertz nonlinear dynamics in transition metals.Npj spintronics · 2025Article
- Electric-field-induced orbital angular momentum in metals.Nature materials · 2024Article
Corrections and comments
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Authors and funding
9 authors.
Funding
Abstract
Orbitronics is based on the use of orbital currents as information carriers. Orbital currents can be generated from the conversion of charge or spin currents, and inversely, they could be converted back to charge or spin currents. Here we demonstrate that orbital currents can also be generated by femtosecond light pulses on Ni. In multilayers associating Ni with oxides and nonmagnetic metals such as Cu, we detect the orbital currents by their conversion into charge currents and the resulting terahertz emission. We show that the orbital currents extraordinarily predominate the light-induced spin currents in Ni-based systems, whereas only spin currents can be detected with CoFeB-based systems. In addition, the analysis of the time delays of the terahertz pulses leads to relevant information on the velocity and propagation length of orbital carriers. Our finding of light-induced orbital currents and our observation of their conversion into charge currents opens new avenues in orbitronics, including the development of orbitronic terahertz devices.
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Registered trials
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