Molekul: Jurnal Ilmiah Kimia
Vol 18 No 2 (2023)

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

Widanarto, Wahyu (Unknown)
Effendi, Mukhtar (Unknown)
Cahyanto, Wahyu Tri (Unknown)
Ghoshal, Sib Krishna (Unknown)
Kurniawan, Candra (Unknown)
Handoko, Erfan (Unknown)
Alaydrus, Mudrik (Unknown)

Article Info

Publish Date
10 Jul 2023

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.

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Journal Info
Molekul: Jurnal Ilmiah Kimia
Website

Abbrev

jm

Publisher

Universitas Jenderal Soedirman

Subject

Biochemistry, Genetics & Molecular Biology Chemistry Materials Science & Nanotechnology

Description

The MOLEKUL is dedicated to fostering advancements in all branches of chemistry and its diverse sub-disciplines. It aims to publish high-quality research encompassing a wide range of topics, including but not limited to Pharmaceutical Chemistry, Biological Activities of Synthetic Drugs, ...