Efficient Design of Broadband and Low-Profile Multilayer Absorbing Materials on Cobalt-Iron Magnetic Alloy Doped with Rare Earth Element.

In Figure 4 a, the curve depicting the real part of permittivity (ε′) exhibits a decreasing trend with increasing frequency for LCF-1 and LCF-2.

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With the increase in La doping, μ′ exhibits a decreasing trend, while μ′′ demonstrate an increasing trend, thereby contributing to higher magnetic loss.

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