posted on 2025-10-09, 12:06authored byMengchen Liu, Xiaoyu Wang, Chuang Wang, Ruoying Wang, Jie Xu, Lining Pan, Derang Cao
Supplementary Material is submitted alongside the main manuscript and referenced in Sections 4.1-4.4. Full VNA-FMR spectra, Kittel equation fitting, extended comparison of experimental and modeled resonance frequency for additional samples are available upon reasonable request.