Utilization of Carbon Biomass as an Absorbing Material in Anti-Microwave Brick Walls Manufacturing

Abstract:

The developments in communications technology bring changes in human life, and the positive aspects of these technological innovations make life more accessible. However, the use of communications technology at a certain frequency will produce radiation that could negatively affect human health. Thus, various studies have been performed to obtain a corresponding material to reduce the levels of exposure to the pollution of the electromagnetic wave signal. This study aims to build anti-microwave brick walls and analyze the absorption performance of the anti-microwave brick walls by using carbon biomass as an absorbing material. Carbon biomass is a physically defined product obtained in a highly controlled process to produce specifically engineered aggregates of carbon particles and in this project, carbon biomass was used as an absorbing material in brick production. The absorption performance of the anti-microwave brick walls was measured by using Naval Research Laboratory (NRL) arch free-space method, and the frequency range of 1GHz to 12GHz is used. The result shows that brick containing the highest percentage of carbon biomass produces the best absorption performance at a high-frequency band (4-8GHz), with maximum absorption of -29.53dB.

• Periodical: Solid State Phenomena (Volume 344)
• Pages: 109-114
• DOI: https://doi.org/10.4028/p-hvuqdi
• Online since: June 2023
• Authors: Nur Hashira Narudin, Hasnain Abdullah*, Mohd Nasir Taib, Basharudin Abdul Hadi, Azizah Ahmad, Nazirah Mohamat Kasim, Noor Azila Ismail
• Keywords: Absorbing Material, Anti-Microwave Brick Walls, Carbon Biomass

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