ArticleNature communications2023
Emission of coherent THz magnons in an antiferromagnetic insulator triggered by ultrafast spin-phonon interactions.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Applied spintronics: From spin transport to spin-charge interconversion and emerging devices.Science advances · 2026Review
- Electron pressure drives THz phonons in metal-metal superlattices.Nature communications · 2026Article
- Coherence transfer from optically induced THz magnons to charges.Nature communications · 2026Article
- Ultrafast Control of Néel Vector in Collinear Antiferromagnet MnPt.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Terahertz antiferromagnetic dynamics induced by ultrafast spin currents.Science advances · 2025Article
- Efficient launching of shear phonons in photostrictive halide perovskites.Science advances · 2025Article
- Strain effects on the fluctuation properties in noncollinear antiferromagnets: A first-principles and macrospin-based study.Physical review applied · 2025Article
- Terahertz control of linear and nonlinear Magno-phononics.Nature communications · 2025Article
- Tunable magnons of an antiferromagnetic Mott insulator via interfacial metal-insulator transitions.Nature communications · 2025Article
- Ultrafast-induced coherent acoustic phonons in the two-dimensional magnet CrSBr.Structural dynamics (Melville, N.Y.) · 2025Article
- Revealing subterahertz atomic vibrations in quantum paraelectrics by surface-sensitive spintronic terahertz spectroscopy.Science advances · 2024Article
- Terahertz oscillation driven by optical spin-orbit torque.Nature communications · 2024Article
- Near-infrared luminescent open-shell π-conjugated systems with a bright lowest-energy zwitterionic singlet excited state.Science advances · 2024Article
- Antiferromagnetic magnonic charge current generation via ultrafast optical excitation.Nature communications · 2024Article
- Concepts and use cases for picosecond ultrasonics with x-rays.Photoacoustics · 2023Review
- The importance of the interface for picosecond spin pumping in antiferromagnet-heavy metal heterostructures.Nature communications · 2023Article
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Authors and funding
21 authors.
Funding
Abstract
Antiferromagnetic materials have been proposed as new types of narrowband THz spintronic devices owing to their ultrafast spin dynamics. Manipulating coherently their spin dynamics, however, remains a key challenge that is envisioned to be accomplished by spin-orbit torques or direct optical excitations. Here, we demonstrate the combined generation of broadband THz (incoherent) magnons and narrowband (coherent) magnons at 1 THz in low damping thin films of NiO/Pt. We evidence, experimentally and through modeling, two excitation processes of spin dynamics in NiO: an off-resonant instantaneous optical spin torque in (111) oriented films and a strain-wave-induced THz torque induced by ultrafast Pt excitation in (001) oriented films. Both phenomena lead to the emission of a THz signal through the inverse spin Hall effect in the adjacent heavy metal layer. We unravel the characteristic timescales of the two excitation processes found to be < 50 fs and > 300 fs, respectively, and thus open new routes towards the development of fast opto-spintronic devices based on antiferromagnetic materials.
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