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Article Abstract
Spin waves, as carriers of information in magnetic materials, hold great potential for information transmission and storage. However, the spin wave signals are generally weak, limiting both detection and practical application. Herein, we report a Raman spectroscopy study of the interference-enhanced Raman scattering (IERS) on the spin wave signal in nickel oxide (NiO) nanosheets on the SiO/Al substrate. In addition, we compared the spin wave signals from NiO nanosheets of varying thicknesses. The observed Raman signal enhancements are quantitatively and theoretically described by using the multiple reflection model (MRM). Our results show that the enhancement of the two-magnon (2M) signal represents the spin wave excitation, which is in strong agreement with the interference-enhanced theoretical result. This work provides important insight and a valuable approach for the enhanced detection of spin waves, supporting future development and application of spintronic technologies.
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| http://dx.doi.org/10.1016/j.saa.2025.126887 | DOI Listing |
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