seeking help for FMR simulation of YIG thin film

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kc gong

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Feb 12, 2026, 2:33:12 AMFeb 12
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dear everyone:
I'm recently working on simulating ferromagnetic resonance (FMR) in BIYIG thin film, but I couldn't see any signal after process the simulation data using FFT. Now I‘m not sure whether the problem is with my mumax code or something else. All suggestions are welcomed.
Best wishes.

The code is as follows

  mumax_code.pngresult.png

Jonathan Maes

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Feb 12, 2026, 9:34:46 AMFeb 12
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Dear kc gong,

There is signal visible in your plot at a frequency of 0 GHz. You may wish to omit the data at 0 GHz from the plot, since the DC peak is often much stronger than any AC signals. Hopefully this will make the data at higher frequencies visible.

Best regards,
Jonathan

Op donderdag 12 februari 2026 om 08:33:12 UTC+1 schreef kc gong:
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