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Description:

Spin waves hold promise for expanding the magnonics research field to include quantum information processing and classical information devices. Parametric pumping is considered a key technique to achieve this important advancement. Recently, single-crystal iron has shown potential as a spin-wave excitation medium; however, parametric pumping in single-crystal iron films has not been investigated. In this study, we explored computationally and experimentally the characteristics of parametrically pumped spin waves in single-crystal iron thin films by respectively using large-scale micromagnetic simulations and a high-precision spectrum analyzer. The results demonstrate unconventional parametric pumping with extremely low-power excitation attributed to cubic anisotropy. Systematic research on parametric pumping in iron could pave the way for low-energy spin-wave devices, enhancing quantum information device technology.

Rights:

• In Copyright
  ©2024 American Physical Society

Keyword: Spintronics, Spin wave

Date published: 2024-05-02

Publisher: American Physical Society (APS)

Journal:

• Physical Review B (ISSN: 1550235X) vol. 109 issue. 18 184402

Funding:

• Japan Society for the Promotion of Science 20H05652
• Japan Society for the Promotion of Science 19H00861
• Japan Society for the Promotion of Science 18H05346
• Japan Society for the Promotion of Science 22K18321
• Japan Society for the Promotion of Science 23KJ0989

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.4750

First published URL: https://doi.org/10.1103/PhysRevB.109.184402

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Updated at: 2024-09-19 12:30:21 +0900

Published on MDR: 2024-09-19 12:30:22 +0900