Resonances in Ferromagnetic Gratings Detected by Microwave Photoconductivity
We investigate the impact of microwave excited spin excitations on the DC charge transport in a ferromagnetic (FM) grating. We observe both resonant and nonresonant microwave photoresistance. Resonant features are identified as the ferromagnetic resonance (FMR) and ferromagnetic antiresonance (FMAR)...
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| Veröffentlicht in: | arXiv.org 2005-02 |
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| creator | Gui, Y S Holland, S Mecking, N C -M Hu |
| description | We investigate the impact of microwave excited spin excitations on the DC charge transport in a ferromagnetic (FM) grating. We observe both resonant and nonresonant microwave photoresistance. Resonant features are identified as the ferromagnetic resonance (FMR) and ferromagnetic antiresonance (FMAR). A macroscopic model based on Maxwell and Landau-Lifschitz equations reveals the macroscopic nature of the FMAR. The experimental approach and results provide new insight in the interplay between photonic, spintronic, and charge effects in FM microstructures. |
| doi_str_mv | 10.48550/arxiv.0502442 |
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| subjects | Charge transport Ferromagnetic resonance Ferromagnetism Macroscopic models Photoconductivity Photonics |
| title | Resonances in Ferromagnetic Gratings Detected by Microwave Photoconductivity |
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