Research on Fe3O4-based electromagnetic absorbing materials
With the rapid development of electronic information technology,the problem of elec-tromagnetic wave radiation has become increasingly prominent and has attracted widespread attention.In order to solve the problem of electromagnetic pollution,people are committed to developing electro-magnetic absorbing materials that are lightweight,thin,have a wide frequency band,and strong ab-sorbing ability.Fe3O4,a traditional electromagnetic absorbing material,has always been an important member of the absorbing material family due to its high magnetic permeability,good magnetic and die-lectric losses.This article reviewed the latest research progress on Fe3O4 monomers and their compos-ite absorbing materials with other materials based on the basic principles of electromagnetic wave ab-sorption.Finally,the shortcomings of Fe3O4-based absorbing materials in electromagnetic wave ab-sorption were pointed out,and their possible future development directions were discussed.
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