Structural, dielectric and magnetic manifestation in BaM/PEEK nanocomposite for X band shielding blocks
Source abstract
Abstract
Abstract The microwave absorber nanocomposites consisting of substituted M-type hexaferrite Ba0.8Gd0.2Fe11.5Co0.5O19 and polyetheretherketone (PEEK) have been investigated for X-band applications. Composites with hexaferrite to PEEK ratios 5:0, 4:1, 3:2, 2:3, 1:4, 0:5 have been synthesized by a micro-emulsion method. XRD results confirm the hexagonal structure of the hexaferrite with average crystallite size up to 37.2 nm. Magnetic properties reveal that saturation magnetization Ms increases whereas coercivity Hc decreases by increasing the ferrite content in the composites. Complex permittivity and permeability have been tailored with ferrite content in the X-band. The dielectric constant reduces from 5.3 to 3.25 while permeability increases up to 1.37 with increasing ferrite concentrations. The microwave results show the minimum reflection loss of −10.79 dB for composite with 80% ferrite.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Electromagnetic wave absorption materials · Magnetic Properties and Synthesis of Ferrites · Multiferroics and related materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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