Fe2AlB2: A novel ferromagnetic material with superior electromagnetic wave absorption performance

被引：18

作者：

Zhi, Qing ^{[1
]}

Wu, Chengwen ^{[1
]}

Li, Mengru ^{[1
]}

Liu, Jinhui ^{[1
]}

Zhang, Rui ^{[1
,2
]}

Min, Zhiyu ^{[2
]}

Chen, Yongqiang ^{[1
]}

Li, Hongxia ^{[1
,3
]}

Fan, Bingbing ^{[1
]}

机构：

[1] Zhengzhou Univ, Sch Mat Sci & Engn, Zhengzhou, Henan, Peoples R China

[2] Luoyang Inst Sci & Technol, Sch Mat Sci & Engn, Luoyang, Henan, Peoples R China

[3] Sinosteel Luoyang Inst Refractories Res Co Ltd, State Key Lab Adv Refractories, Luoyang, Henan, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2023年 / 49卷 / 21期

基金：

中国国家自然科学基金;

关键词：

MAB-Phase; Fe2AlB2; Electromagnetic wave absorption; Ferromagnetism; CR2ALB2; SHELL; OXIDE; MICROSTRUCTURE; MICROSPHERES; LIGHTWEIGHT; PRECURSOR; GRAPHENE; POWDERS; BORON;

D O I：

10.1016/j.ceramint.2023.08.128

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：

MAB demonstrates remarkable potential for application as electromagnetic wave (EMW) absorbers due to its exceptional electrical conductivity, which closely resembles that of metals. Fe2AlB2 in the MAB phase also exhibits ferromagnetism (FM) at or near room temperature. Herein, in this study, Fe2AlB2 powders were successfully synthesized using a simple and efficient solid-liquid reaction method, and their EMW absorption properties were investigated. The synthesized Fe2AlB2 powders exhibit superior performance in EMW absorption, achieving a minimum reflection loss value of -47.39 dB at a frequency of 15.2 GHz, with an ultra-thin thickness of only 1.2 mm. Given their ease of preparation and strong EMW dissipation capabilities, Fe2AlB2 materials hold great promise as a new class of EMW absorption materials.

引用

页码：34182 / 34190

页数：9

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