YIG/CoFeB bilayer magnonic diode
Fuente:
arXiv
Guardado en:
| Autores principales: | , , , , , , , , , , , |
|---|---|
| Formato: | Preprint |
| Publicado: |
2024
|
| Materias: | |
| Acceso en línea: | |
| Etiquetas: |
Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
|
| _version_ | 1866929624941854720 |
|---|---|
| author | Zenbaa, Noura Levchenko, Khrystyna O. Panda, Jaganandha Davídková, Kristýna Ruhwedel, Moritz Knauer, Sebastian Lindner, Morris Dubs, Carsten Wang, Qi Urbánek, Michal Pirro, Philipp Chumak, Andrii V. |
| author_facet | Zenbaa, Noura Levchenko, Khrystyna O. Panda, Jaganandha Davídková, Kristýna Ruhwedel, Moritz Knauer, Sebastian Lindner, Morris Dubs, Carsten Wang, Qi Urbánek, Michal Pirro, Philipp Chumak, Andrii V. |
| contents | We demonstrate a magnonic diode based on a bilayer structure of Yttrium Iron Garnet (YIG) and Cobalt Iron Boron (CoFeB). The bilayer exhibits pronounced non-reciprocal spin-wave propagation, enabled by dipolar coupling and the magnetic properties of the two layers. The YIG layer provides low damping and efficient spin-wave propagation, while the CoFeB layer introduces strong magnetic anisotropy, critical for achieving diode functionality. Experimental results, supported by numerical simulations, show unidirectional propagation of Magnetostatic Surface Spin Waves (MSSW), significantly suppressing backscattered waves. This behavior was confirmed through wavevector-resolved and micro-focused Brillouin Light Scattering measurements and is supported by numerical simulations. The proposed YIG/SiO$_2$/CoFeB bilayer magnonic diode demonstrates the feasibility of leveraging non-reciprocal spin-wave dynamics for functional magnonic devices, paving the way for energy-efficient, wave-based signal processing technologies. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_08383 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | YIG/CoFeB bilayer magnonic diode Zenbaa, Noura Levchenko, Khrystyna O. Panda, Jaganandha Davídková, Kristýna Ruhwedel, Moritz Knauer, Sebastian Lindner, Morris Dubs, Carsten Wang, Qi Urbánek, Michal Pirro, Philipp Chumak, Andrii V. Applied Physics Mesoscale and Nanoscale Physics We demonstrate a magnonic diode based on a bilayer structure of Yttrium Iron Garnet (YIG) and Cobalt Iron Boron (CoFeB). The bilayer exhibits pronounced non-reciprocal spin-wave propagation, enabled by dipolar coupling and the magnetic properties of the two layers. The YIG layer provides low damping and efficient spin-wave propagation, while the CoFeB layer introduces strong magnetic anisotropy, critical for achieving diode functionality. Experimental results, supported by numerical simulations, show unidirectional propagation of Magnetostatic Surface Spin Waves (MSSW), significantly suppressing backscattered waves. This behavior was confirmed through wavevector-resolved and micro-focused Brillouin Light Scattering measurements and is supported by numerical simulations. The proposed YIG/SiO$_2$/CoFeB bilayer magnonic diode demonstrates the feasibility of leveraging non-reciprocal spin-wave dynamics for functional magnonic devices, paving the way for energy-efficient, wave-based signal processing technologies. |
| title | YIG/CoFeB bilayer magnonic diode |
| topic | Applied Physics Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2412.08383 |