Microwave Attenuation of Cobalt-Tin Substituted Barium-Strontium Hexagonal Ferrite

This paper focus on microwave attenuation characteristics of M-type Ba
_0.5
Sr
_0.5
Co
_x
Sn
_x
Fe
_(12-2x)
O
₁₉
hexagonal ferrite (x varies from 0 to 1 in steps of 0.2) Network analyzer has been used to measure microwave parameters. Co
²⁺
and Sn
⁴⁺
ions substitution leads to enhancement in attenuation, which is maximum at composition x=0.4 with magnetic field of 45.04 dB and at frequency 12.4 GHz. Similar trend is observed for increase in magnetic loss at same frequency for composition x=0.4.