Abstract

Ni_1 – xCd_xFe₂O₄ ferrites (x = 0.2, 0.4, 0.6) were prepared by solution-combustion synthesis and characterized by XRD, SEM, FTIR spectra, hysteresis measurements, and voltage standing wave ratio (VSWR). The ferrite particles had a size of 20–30 nm. The saturation magnetization observed for x = 0.6 composition was about 56 emu/g. The real and complex permittivity in the frequency range 8–12 GHz was found to vary between 10 and 30. The Cd content of ferrites was found to increase the MW absorption. At x = 0.6, the MW absorbance attained a value of 0.958 at f = 9.5 GHz.

中文翻译：

---

燃烧合成的镍镉铁氧体及其结构，磁性和微波吸收特性

摘要

倪_{1 -  X}镉_X的Fe _2个ö ₄铁氧体（X = 0.2，0.4，0.6）通过溶液燃烧合成方法制备并表征通过XRD，SEM，FTIR光谱，滞后测量和电压驻波比（VSWR）。铁氧体颗粒的尺寸为20–30 nm。对于x＝ 0.6组成观察到的饱和磁化强度为约56emu / g。发现在8-12 GHz频率范围内的实际和复介电常数在10到30之间变化。发现铁素体的Cd含量会增加MW吸收。在x  = 0.6时，在f = 9.5 GHz时，MW吸光度达到0.958 。