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This paper presents the improvement of rice husk ash (RHA) microwave absorber with adding carbon nanotubes (CNTs) into the composites. The electromagnetic properties of RHA and CNTs composites (RHACNTs) were measured using a rectangular waveguide (WR-62) transmission line technique with Agilent commercial software 85071E. The results show that, the additional 2 wt. % CNTs adding into the RHA composite...
This paper presents the different type of microwave absorbing materials based on rice husk ash and carbon nanotubes (RHACNTs) composites. The microwave absorption and complex relative permittivity of RHACNTs composites were investigated in microwave frequency region X-band (8.2–12.4 GHz). A rectangular waveguide (WR-90) transmission line method was used to measure scattering parameter and Nicolson-Ross-Weir...
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