Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 492, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jmmm.2019.165639
Keywords
FeCo nanoparticles; Ti3C2 MXene; Magnetic loss; Impedance matching; Microwave absorption
Funding
- National Key Research and Development Program of China [2017YFA0204600]
- National Natural Science Foundation of China [51802352]
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Ti3C2 MXene is highly desirable as a potential microwave absorbent due to its positive dielectric loss ability. However, lack of magnetic loss for pure Ti3C2 MXene results in unbalanced electromagnetic parameters and poor impedance matching. In this paper, the laminated Ti3C2 MXene was synthesized using HF etching process. Then, the magnetic FeCo-decorated Ti3C2 MXene (FeCo-Ti3C2 MXene) composite was fabricated for the first time via a in-situ hydrothermal method. The incorporation of magnetic FeCo nanoparticles on Ti3C2 MXene can enhance microwave absorption property. Specifically, the FeCo-Ti3C2 MXene composite displayed a broad effective bandwidth (RL < -10 dB) of 8.8 GHz with only 1.6 mm. This excellent microwave absorbing performance was mainly attributed to strong microwave attenuation ability and improved impedance matching. The results of this work confirm that the FeCo-Ti3C2 MXene composite could be favourable as highly competitive microwave absorbent.
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