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ALD technology synthetic absorbing material

Author:admin   AddTime:2021-09-23

The carbon magnetic composite material obtained by supporting the magnetic nano particles on the carbon material can be used as a high-efficiency microwave absorber. Based on the design principle of impedance matching, graphene is used as the matrix, and high-density Fe3O4 and Ni magnetic nanoparticles are loaded on the surface using ALD technology. The nanoparticles are very uniform in size and adjustable in particle size, and are very different from graphene. Strong binding force.



The researchers further conducted electromagnetic wave absorption tests on the composite material, and simulated the test results using transmission line theory. The results showed that the electromagnetic parameters of the composite material can be effectively controlled by controlling the size and distribution of magnetic nanoparticles to obtain high-efficiency absorption performance. In addition, compared with other wave absorbing materials, the prepared microwave absorber has the advantages of lower filling ratio and thin coating thickness, and has great practical application value in the field of light electromagnetic wave absorption.

ferrite sheets:https://www.goodsmaterial.com/

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