ArticleNature communications2020
Resonant thermal energy transfer to magnons in a ferromagnetic nanolayer.
Article in Nature communications, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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Who cites it
4 citing papers in PubMed.
- Efficient launching of shear phonons in photostrictive halide perovskites.Science advances · 2025Article
- On-chip phonon-magnon reservoir for neuromorphic computing.Nature communications · 2023Article
- Ultrafast magnetoacoustics in Galfenol nanostructures.Photoacoustics · 2023Review
- Large asymmetry in the magnetoresistance loops of ferromagnetic nanostrips induced by Surface Acoustic Waves.Scientific reports · 2021Article
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
Energy harvesting is a concept which makes dissipated heat useful by transferring thermal energy to other excitations. Most of the existing principles are realized in systems which are heated continuously. We present the concept of high-frequency energy harvesting where the dissipated heat in a sample excites resonant magnons in a thin ferromagnetic metal layer. The sample is excited by femtosecond laser pulses with a repetition rate of 10 GHz, which results in temperature modulation at the same frequency with amplitude ~0.1 K. The alternating temperature excites magnons in the ferromagnetic nanolayer which are detected by measuring the net magnetization precession. When the magnon frequency is brought onto resonance with the optical excitation, a 12-fold increase of the amplitude of precession indicates efficient resonant heat transfer from the lattice to coherent magnons. The demonstrated principle may be used for energy harvesting in various nanodevices operating at GHz and sub-THz frequency ranges.
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Registered trials
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