Electromotive force generation in a ferromagnetic metal thin film under the ferromagnetic resonance excitation with permanent magnets
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arXiv
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866910676868399104 |
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| author | Fujii, Ryutoku Shikoh, Eiji |
| author_facet | Fujii, Ryutoku Shikoh, Eiji |
| contents | Ferromagnetic resonance (FMR) excitation of a ferromagnetic metal single-layer film was tried by using a couple of permanent magnets as the source of the uniform static magnetic field and by using a co-planer waveguide connected with a network analyzer as the source of the radiofrequency (RF) magnetic field. A typical FMR spectrum of a ferromagnetic Ni$_{80}$Fe$_{20}$ thin film was successfully obtained and a clear electromotive force (EMF) was generated in the Ni$_{80}$Fe$_{20}$ thin film under the FMR excitation with the permanent magnets. That is, we achieved EMF generation in a Ni$_{80}$Fe$_{20}$ thin film under the FMR excitation with the permanent magnets, which can be applied as a simple energy transduction technology from ambient RF energy to electrical energy. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_21766 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Electromotive force generation in a ferromagnetic metal thin film under the ferromagnetic resonance excitation with permanent magnets Fujii, Ryutoku Shikoh, Eiji Applied Physics Materials Science Ferromagnetic resonance (FMR) excitation of a ferromagnetic metal single-layer film was tried by using a couple of permanent magnets as the source of the uniform static magnetic field and by using a co-planer waveguide connected with a network analyzer as the source of the radiofrequency (RF) magnetic field. A typical FMR spectrum of a ferromagnetic Ni$_{80}$Fe$_{20}$ thin film was successfully obtained and a clear electromotive force (EMF) was generated in the Ni$_{80}$Fe$_{20}$ thin film under the FMR excitation with the permanent magnets. That is, we achieved EMF generation in a Ni$_{80}$Fe$_{20}$ thin film under the FMR excitation with the permanent magnets, which can be applied as a simple energy transduction technology from ambient RF energy to electrical energy. |
| title | Electromotive force generation in a ferromagnetic metal thin film under the ferromagnetic resonance excitation with permanent magnets |
| topic | Applied Physics Materials Science |
| url | https://arxiv.org/abs/2410.21766 |