Electromagnetic wave absorption properties of Mn0.4Zn0.6Fe2O4 powders synthesized by high-temperature mechanochemical method

被引：6
作者：
Liu, Mingzhe [1 ,2 ]
Chen, Jianshe [1 ,2 ]
Li, Binchuan [1 ,2 ]
Wang, Bo [3 ]
Wang, Yujiang [3 ]
Han, Qing [1 ,2 ]
Wei, Shicheng [1 ,3 ]
Liu, Kuiren [1 ,2 ]
He, Xiaocai [1 ,4 ]
Sun, Rufeng [5 ]
An, Yifei [5 ]
Wei, Wei [5 ]
机构：
[1] Minist Educ, Key Lab Ecol Utilizat Multimet Mineral, Shenyang 110819, Peoples R China
[2] Northeastern Univ, Sch Met, Shenyang 110819, Peoples R China
[3] Army Acad Armored Forces, Natl Key Lab Remfg, Beijing 100072, Peoples R China
[4] Kunming Met Res Inst, Kunming 650031, Peoples R China
[5] Liaoning Branch China Tower Co Ltd, Shenyang 110167, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2024年 / 302卷
基金：
中国国家自然科学基金;
关键词：
High-temperature mechanochemical; Magnetic properties; Microwave absorption; MICROWAVE; NANOPARTICLES; MICROSPHERES; COMPOSITE; SHELL; LIGHTWEIGHT; NANOSHEETS; DESIGN;
D O I：
10.1016/j.mseb.2024.117243
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Herein, spinel Mn0.4Zn0.6Fe2O4 powders were fabricated utilizing a novel high -temperature mechanochemical method (HTMC), which achieves the coupling effect of high -temperature and mechanical force in a single process. The microstructure, chemical composition, magnetic properties, and electromagnetic wave absorption (EMWA) characteristics of the Mn0.4Zn0.6Fe2O4 powders were thoroughly considered in 2-18 GHz. The results reveal that with a matching thickness of 4.3 mm and a frequency of 6.2 GHz, S3 exhibits an effective absorption bandwidth that covers 4.56-7.48 GHz and has a minimum reflection loss (RLmin) of -43.8 dB. The excellent EMWA properties of the Mn0.4Zn0.6Fe2O4 powders can be ascribed to their effective cooperation between dielectric loss and magnetic loss as well as favorable impedance matching. Considering the performance enhancement generated by the distinctive coupling of multiple mechanisms in HTMC and the excellent EMWA properties of the as-prepared single Mn0.4Zn0.6Fe2O4 powders, it has significant potential in the field of fabricating efficient MAMs.
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页数：12
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