Enhanced Microwave Absorption Quality of Bio-Silica-Barium-Ferrite Composites: Interplay of Fe3+ and Si4+

  • Wahyu Widanarto Universitas Jenderal Soedirman
  • Mukhtar Effendi Universitas Jenderal Soedirman
  • Wahyu Tri Cahyanto Universitas Jenderal Soedirman
  • Sib Krishna Ghoshal Universiti Teknologi Malaysia
  • Candra Kurniawan Research Center for Advanced Materials, BRIN
  • Erfan Handoko Department of Physics, Universitas Negeri Jakarta
  • Mudrik Alaydrus Department of Electrical Engineering, Universitas Mercu Buana

Abstract

This paper reports the improved microwave (MW) absorption characteristics of some newly prepared bio-silica-barium-ferrite composites (SBFCs) of the form (x)Bio-SiO2:(80-x)Fe2O3:(20) BaO (where x = 0, 2, and 4 wt.%). These composites were prepared using the modified solid-state reaction method with simultaneous sintering at 800 and 1100 °C. SBFCs were studied to determine the impact of various bio-silica concentrations on their morphology, structure, magnetic properties, permittivity, permeability, and X-band reflection loss. Various SBFC thicknesses were simulated to determine the reflection loss curves. It has been established that the MW absorption capacity of the examined SBFCs may be altered by adjusting the bio-silica concentration and sample thickness.

Published
2023-07-10
How to Cite
WIDANARTO, Wahyu et al. Enhanced Microwave Absorption Quality of Bio-Silica-Barium-Ferrite Composites: Interplay of Fe3+ and Si4+. Molekul, [S.l.], v. 18, n. 2, p. 266-272, july 2023. ISSN 2503-0310. Available at: <https://jos.unsoed.ac.id/index.php/jm/article/view/7326>. Date accessed: 04 apr. 2025. doi: https://doi.org/10.20884/1.jm.2023.18.2.7326.
Section
Articles