Heterostructured C@Fe3O4@FeSiCr composite absorbing material derived from MIL-88(Fe)@FeSiCr

被引：12
作者：
Du, Hongzhang [1 ]
Zhang, Wenmiao [1 ,3 ]
Wang, Lei [1 ,3 ]
Shen, Shuqi [1 ]
Dong, Weiwei [1 ]
Hu, Yifeng [1 ]
Rehman, Sajjad Ur [1 ]
Zou, Haiping [2 ,3 ]
Liang, Tongxiang [1 ]
机构：
[1] Jiangxi Univ Sci & Technol, Coll Rare Earths, Ganzhou 341000, Peoples R China
[2] Hejun Coll, Ganzhou 342600, Peoples R China
[3] Jiangxi Qianyue New Mat Co Ltd, Ganzhou 341003, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2023年 / 968卷
基金：
中国国家自然科学基金;
关键词：
Absorbing materials; Flaky FeSiCr; Carbonization heat treatment; Heterogeneous structure; Impedance matching; MICROWAVE-ABSORPTION PROPERTIES; OXIDE; MICROSTRUCTURE; PERFORMANCE; FRAMEWORKS; GRAPHENE; POWDERS; CARBON;
D O I：
10.1016/j.jallcom.2023.172129
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The C@Fe3O4@FeSiCr composites with carbon-covered heterostructures were obtained by constructing C and Fe3O4 derived from carbonized MIL-88(Fe)@FeSiCr to form heterogeneous interfaces with FeSiCr. The electro-magnetic parameters of the composites were regulated by adjusting the compound amount of MIL-88(Fe). The impedance matching performance was optimized, and this further improved the microwave absorbing performance. At a MIL-88(Fe) compound amount of 30 wt%, the composite achieves a minimum reflection loss (RLmin) of -68.07 dB at 4.83 GHz with an absorbing coating thickness of 3.33 mm. In the field of microwave absorbing materials, these results provide valuable guidelines for constructing heterogeneous interface coatings and optimizing the impedance matching properties of soft magnetic alloys materials.
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页数：10
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