Cobalt Titanate/Natural Rubber Composites: A Promising Microwave Absorber in X-Band

Abstract:

The proliferation of X-band microwaves across wireless networks, satellite communications, and radar systems has raised global concerns regarding their potential impact on human health and communication security. Additionally, advancements in radar detection technology have diminished the effectiveness of military equipment in modern warfare, driving a heightened demand for materials capable of absorbing microwaves across the X-band spectrum in both civilian and military sectors. Effective microwave absorbing materials (MAM) ideally exhibit lightweight construction, robust absorption capabilities, and a broad effective absorption band. Among the array of reported MAM, rubber-based microwave absorbers emerge as particularly promising for practical application. Their exceptional flexibility, environmental resilience, favorable mechanical properties, versatility, and ease of processing distinguish them in this domain. Cobalt Titanate (CoTiO₃), a common perovskite with the ABO₃ structure, showcases remarkable magnetic and semiconducting characteristics, including outstanding photochemical stability, efficient light absorption, and high carrier mobility. These attributes render it versatile for various applications, spanning catalysis, adsorption, dielectric ceramics, magnetic recording, gas sensors, and pigments. A composite material comprising Cobalt Titanate and Natural Rubber holds significant promise as a microwave absorbing material in the X-band spectrum. Its potential lies in leveraging the synergistic properties of both constituents to achieve enhanced microwave absorption performance, offering substantial implications for various civilian and military applications.

• Periodical: Solid State Phenomena (Volume 371)
• Pages: 105-120
• DOI: https://doi.org/10.4028/p-HDc8Ru
• Online since: May 2025
• Authors: Maspin Apit*, Yuni Krisyuningsih Krisnandi, Wisnu Ari Adi
• Keywords: Cobalt Titanate, Microwave Absorber, Natural Rubber

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