封闭式扩散工程FeCoNi嵌入空心碳微向可控制的电磁波吸收和防腐聚化复合物在海洋环境中
Qingfu Ban1, Yuejie Song1, Luwei Li1
1School of Chemistry and Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai, 264005, P. R. China.
Small (Weinheim an der Bergstrasse, Germany)
|August 23, 2025
概括
研究人员使用封闭扩散工程开发了空洞的磁介电微,以获得优异的电磁波吸收. 这种新的方法在海洋环境中具有可调节的性能和防腐应用.
科学领域:
- 材料科学
- 纳米技术
- 电磁学
背景情况:
- 空心磁介电复合材料是先进电磁波吸收的关键.
- 这些材料的高效制造仍然是一个重大挑战.
研究的目的:
- 开发一个简单的策略来制造具有可调节的电磁波吸收性质的空心磁介电微.
- 探索这些材料在海洋环境中的潜力.
主要方法:
- 封闭扩散工程被用来合成FeCoNi@NCMs-CxTy空心微.
- 基肯德尔效应促进了核心外磁性纳米粒子@石墨碳异质连接的形成.
- 控制金属含量通过蚀刻Ni2+和Fe3+在地石的imidazolate框架-67.
主要成果:
- 制造的空洞FeCoNi@NCMs-CxTy显示了可调节的EM波吸收在C到Ku频段.
- 最低反射损失 (RLmin) 达到-52.8 dB,有效吸收带宽 (EAB) 扩展至4.88 GHz.
- 一种含有聚乙烯化物的复合物表现出用于海洋应用的抗腐蚀性能.
结论:
- 提出了一种制造高性能电磁波吸收器的新战略.
- 空洞的FeCoNi@NCMs-CxTy材料显示出在C-Ku波段中具有显著的电磁波吸收潜力.
- 材料的抗腐蚀性能表明它适用于海洋环境.
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