| Budget Amount *help |
¥45,500,000 (Direct Cost: ¥35,000,000、Indirect Cost: ¥10,500,000)
Fiscal Year 2023: ¥7,020,000 (Direct Cost: ¥5,400,000、Indirect Cost: ¥1,620,000)
Fiscal Year 2022: ¥7,020,000 (Direct Cost: ¥5,400,000、Indirect Cost: ¥1,620,000)
Fiscal Year 2021: ¥7,930,000 (Direct Cost: ¥6,100,000、Indirect Cost: ¥1,830,000)
Fiscal Year 2020: ¥7,930,000 (Direct Cost: ¥6,100,000、Indirect Cost: ¥1,830,000)
Fiscal Year 2019: ¥15,600,000 (Direct Cost: ¥12,000,000、Indirect Cost: ¥3,600,000)
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| Outline of Final Research Achievements |
This research focuses on controlling magnon transport in micro- and nanostructures. Dynamic magnonic crystals and magnetically coupled Y-junction logic circuits are proposed,leading to achievements such as spin wave switching, feedback structure amplification,and ON/OFF ratio improvement. Furthermore, magnon parametric pumping is performed in magnetic garnets and iron single crystals, revealing the magnon condensation effect and the contribution of material anisotropy. As part of creating novel magnonic functionalities, the point contact method is employed to apply a temperature gradient, introducing a magnetization gradient in the magnon transport path and achieving propagation control. Additionally, a noise measurement method for magnonic devices is established, evaluating the noise characteristics that determine device performance limitations.
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