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Updated: Apr 20, 2026

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

Flexible transparent graphene/polymer multilayers for efficient electromagnetic field absorption.

K Batrakov¹, P Kuzhir¹, S Maksimenko¹

¹Research Institute for Nuclear Problems, Belarusian State University, Minsk 220030, Belarus.

Scientific Reports

|November 27, 2014

Summary

Graphene/PMMA multilayers offer excellent shielding against GHz electromagnetic radiation. Six layers provide optimal absorption around 30 GHz, demonstrating potential for transparent, flexible shielding applications.

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Last Updated: Apr 20, 2026

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

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Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection

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Published on: February 1, 2022

Area of Science:

Materials Science
Electrical Engineering
Physics

Background:

Graphene's high electrical conductivity enables effective shielding of GHz electromagnetic (EM) radiation.
Multilayer structures can enhance EM shielding by combining individual layer properties.
Graphene/polymer composites are explored for advanced material applications.

Purpose of the Study:

To investigate the electromagnetic shielding efficiency of graphene/PMMA multilayers in the GHz range.
To determine the optimal number of graphene layers for maximum EM radiation absorption.
To validate experimental findings with theoretical calculations.

Main Methods:

Fabrication of graphene/PMMA multilayer structures on silica substrates.
Electromagnetic measurements in the Ka band (26.5–40 GHz) to assess shielding effectiveness.
Theoretical modeling to explain observed absorption and transmission characteristics.

Main Results:

Individual graphene planes exhibit good shielding efficiency against GHz EM radiation.
The conductivity of multiple graphene planes adds arithmetically in multilayer structures.
Maximum radiation absorption, peaking around 30 GHz, is achieved with six graphene/PMMA layers.
Experimental results are consistent with theoretical predictions for GHz domain EM behavior.

Conclusions:

Graphene/PMMA multilayers serve as efficient, optically transparent, and flexible shielding media.
The number of graphene layers significantly impacts EM shielding performance, with six layers being optimal for the studied frequency range.
This research highlights the potential of graphene-based composites for advanced electromagnetic shielding solutions.