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سی و چهارمین کنفرانس بین المللی مهندسی برق
Magnetic Characterization of Ferrites Using Metal-Coated Ferrite Disk Resonators in Cylindrical Cavity
نویسندگان :
Mahdyar Rouhvand
1
Seyed Hossein Hosseini Biuki
2
Behzad Rejaei
3
Mohammad Memarian
4
1- دانشگاه صنعتی شریف
2- دانشگاه صنعتی شریف
3- دانشگاه صنعتی شریف
4- دانشگاه صنعتی شریف
کلمات کلیدی :
Cavity perturbation measurements،Degenerate mode cavity،Microwave ferrite characterization
چکیده :
We experimentally characterize microwave ferrites at X-band frequencies by measuring their saturation magnetization and linewidth using disk-shaped samples. Using a cylindrical cavity resonator operating in the TE$_{111}$ mode, we extract the saturation magnetization from the measured resonant frequencies based on cavity perturbation theory and observe good agreement between experimental and simulated results. Because this approach relies on the cavity resonance, its sensitivity to the ferrite linewidth is limited. To better determine the ferrite linewidth, we introduce metal-plated ferrite disk resonators inside the cavity. This configuration forms an independent resonant structure operating near the cavity frequency, produces deeper and more clearly resolved resonances, and enables a more accurate and reliable determination of the ferrite linewidth.
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بیشتر
ثمین همایش، سامانه مدیریت کنفرانس ها و جشنواره ها - نگارش 44.7.2
