Thin Films and/or Coating for Electromagnetic Interference and Stealth

Wang, Junmei; Song, Yujun

doi:10.1002/9783527344987.ch18

Cited by 5 publications

(1 citation statement)

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“…When EM waves are emitted from air to a composite material, some of them will reflect from or transmit through the material, while others will be absorbed by the material. The EM wave entering the absorbing material will be reflected many times, attenuated, and converted into heat energy [21][22][23]. Better impedance matching allows more EM waves to enter the material, instead of being reflected from the surface.…”

Section: Basic Theories Related To Mam Research 21 Impedance Matching...mentioning

confidence: 99%

Low-Frequency Broadband Absorbing Coatings Based on MOFs: Design, Fabrication, Microstructure and Properties

Liao

Hou

et al. 2022

Coatings

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Although most microwave absorbing materials (MAMs) have good absorption ability above 8 GHz, they perform poorly in the low-frequency range (1–8 GHz). Metal–organic frameworks (MOFs) derived carbon-based composites have been highly sought after in electromagnetic materials and functional devices, due to their high specific area, high porosity, high thermal stability, low reflection loss, and adjustable composition. In this review, we first introduce the three loss types of MAMs and argue that composite materials are effective ways to achieve broadband absorption. Secondly, the absorbing properties of traditional materials and MOF materials in the literature are compared, followed by a discussion of the promising strategies for designing MAMs with broadband absorption in low frequencies based on the recent progress. Finally, the main problems, fabrication methods, and applications are discussed for their future prospects.

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Section: Basic Theories Related To Mam Research 21 Impedance Matching...mentioning

confidence: 99%