Magnetization coupling in a YIG/GGG structure
| العنوان: | Magnetization coupling in a YIG/GGG structure |
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| المؤلفون: | Weizhen Zhang, Ledong Wang, Zhijian Lu, Yanxue Chen, Michael Harder, Lihui Bai, Xiaonan Zhao, Yufeng Tian, Shishen Yan |
| المصدر: | Physical Review B. 102 |
| بيانات النشر: | American Physical Society (APS), 2020. |
| سنة النشر: | 2020 |
| مصطلحات موضوعية: | Materials science, Condensed matter physics, Field (physics), Magnon, Structure (category theory), 02 engineering and technology, Substrate (electronics), 021001 nanoscience & nanotechnology, Coupling (probability), 01 natural sciences, Condensed Matter::Materials Science, Magnetization, 0103 physical sciences, External field, 010306 general physics, 0210 nano-technology |
| الوصف: | We studied the magnetization coupling between an yttrium-iron-garnet (YIG) film and a gadolinium-gallium-garnet (GGG) substrate at low temperature using magnetic resonance measurements. We observed both acoustic and optical mode hybridization between the magnetization of the 3-$\ensuremath{\mu}\text{m-thick}$ YIG film, ${M}_{\mathrm{YIG}}$, and the magnetization of the GGG substrate, ${M}_{\mathrm{GGG}}$, corresponding to in-phase and out-of-phase coupling, respectively. This experimental observation can be described by an antiferromagnetic-type interaction between ${M}_{\mathrm{YIG}}$ and ${M}_{\mathrm{GGG}}$ in the Landau-Lifshitz-Gilbert equation. Taking this approach we find that the effective field induced by magnetization coupling can be enhanced by decreasing the temperature or increasing the external field, providing a means to control magnon dynamics in YIG for magnonic device applications. |
| تدمد: | 2469-9969 2469-9950 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::f11dca5a4a593d01c9df7089d5dc16e6 https://doi.org/10.1103/physrevb.102.144428 |
| حقوق: | CLOSED |
| رقم الأكسشن: | edsair.doi...........f11dca5a4a593d01c9df7089d5dc16e6 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 24699969 24699950 |
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