In-situ combustion synthesis of Ni1-xZnxFe2O4/FeNi3/ZnO composite powders for electromagnetic absorption

被引：6
作者：
Golchinvafa, S. [1 ]
Masoudpanah, S. M. [1 ]
Alamolhoda, S. [1 ]
机构：
[1] Iran Univ Sci & Technol IUST, Sch Met & Mat Engn, Tehran, Iran
来源：
CERAMICS INTERNATIONAL | 2023年 / 49卷 / 11期
关键词：
Ni 1-x Zn x Fe 2 O 4; FeNi; 3; ZnO composites; Solution combustion synthesis; Microwave absorption performance; Effective absorption bandwidth; MICROWAVE-ABSORPTION; HYDROTHERMAL SYNTHESIS; NIFE2O4; NANOPARTICLES; FACILE SYNTHESIS; OXIDE; FABRICATION; LIGHTWEIGHT; NANOMATERIALS; MICROSPHERES; ENHANCEMENT;
D O I：
10.1016/j.ceramint.2023.02.182
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The magnetic (Ni1-xZnxFe2O4/FeNi3 (x = 0.5 and 0.7))/dielectric (ZnO) composites were designed as microwave absorbers. The composite absorbers with uniform phase distribution were in-situ prepared by mixing the precursor solutions of Ni1-xZnxFe2O4 and ZnO in solution combustion method. To tune the dielectric and magnetic properties, the amount of crystallized ZnO phase varied in the range of 0-54 wt % as a function of fuel contents and composition (x). The composite containing amorphous ZnO phase showed high microwave absorption performance, including a minimum reflection loss of -40 dB and effective absorption bandwidth of 3.4, 4, 3.8, and 1.8 GHz in Ku, X, C2, and C1 bands at matching thicknesses of 2.2, 3, 4.2, and 6.5 mm, respectively.
引用
收藏
页码：18134 / 18142
页数：9
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