Structural, magnetic and electromagnetic wave absorption properties of SrFe12O19/ZnO nanocomposites

被引：26
|
作者：
Poorbafrani, A. [1 ]
Kameli, P. [1 ]
Salamati, H. [1 ]
机构：
[1] Isfahan Univ Technol, Dept Phys, Esfahan 8415683111, Iran
来源：
JOURNAL OF MATERIALS SCIENCE | 2013年 / 48卷 / 01期
基金：
美国国家科学基金会;
关键词：
MICROWAVE-ABSORPTION; OPTICAL-PROPERTIES; ZNO NANOPARTICLES; SCALE SYNTHESIS; LOW-TEMPERATURE; FERRITE; PERMEABILITY; SHELL; CORE; PARTICLES;
D O I：
10.1007/s10853-012-6727-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Microwave absorption of nanocomposites of strontium ferrite and zinc oxide has been investigated. M-type strontium ferrite powders synthesized by a sol-gel method were combined with different concentrations of ZnO using a new method. The samples were characterized by various experimental techniques including TGA/DTA, X-ray diffraction, transmission electron microscopy, vibrating sample magnetometer and vector network analyzer. Reflection loss of nanocomposites has been measured in two frequency ranges of 8-12 GHz (X-band) and 12-18 GHz (Ku-band). The saturation magnetization of the nanocomposites decreased with increasing concentration of ZnO, but reflection loss in the Ku frequency band is enhanced by up to 5 dB for 15 % of ZnO in the nanocomposites.
引用
收藏
页码：186 / 191
页数：6
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