Current Research Progress in Microwave Metamaterials and Metadevices

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "D:Materials and Processing".

Deadline for manuscript submissions: 31 December 2025 | Viewed by 408

Special Issue Editors

School of Microelectronics, Shanghai University, Shanghai 200444, China
Interests: metamaterial; metasurface

Special Issue Information

Dear Colleagues,

Metamaterials composed of artificial subwavelength resonators have been widely employed to manipulate electromagnetic waves in various fields. Metasurfaces, the two-dimensional equivalents of metamaterials, are formed by the periodic or aperiodic arrangement of subwavelength elements within ultra-thin films, enabling flexible control over electromagnetic wave amplitude, phase, and polarization. Microwave metamaterials and metadevices have revolutionized modern wireless technologies, offering unprecedented electromagnetic wave manipulation capabilities for applications ranging from 5G/6G communications and radar systems to biomedical imaging.

This Special Issue aims to provide a comprehensive overview of the latest advancements in the design, fabrication, and implementation of microwave metamaterials and meta-devices. Thus, this Special Issue welcomes research papers, communications, and review articles to showcase transformative approaches that bridge theoretical innovations with practical applications.

Dr. Linda Shao
Dr. Xiaoguang Zhao
Guest Editors

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Keywords

  • theory and modeling of metamaterials/metasurfaces
  • electromagnetic metamaterials/metasurfaces
  • reconfigurable metamaterials/metasurfaces
  • novel effects in microwave metadevices

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Published Papers (1 paper)

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Research

9 pages, 3091 KiB  
Article
Microwave Detection of Carbon Monoxide Gas via a Spoof Localized Surface Plasmons-Enhanced Cavity Antenna
by Meng Wang, Wenjie Xu and Shitao Sun
Micromachines 2025, 16(7), 790; https://doi.org/10.3390/mi16070790 - 2 Jul 2025
Viewed by 308
Abstract
This paper presents a carbon monoxide (CO) detection mechanism achieved through further improvement of the sensing antenna based on hybrid spoof localized surface plasmons (SLSPs) and cavity resonance. Unlike conventional approaches relying on chemical reactions or photoelectric effects, the all-metal configuration detects dielectric [...] Read more.
This paper presents a carbon monoxide (CO) detection mechanism achieved through further improvement of the sensing antenna based on hybrid spoof localized surface plasmons (SLSPs) and cavity resonance. Unlike conventional approaches relying on chemical reactions or photoelectric effects, the all-metal configuration detects dielectric variations through microwave-regime resonance frequency shifts, enabling CO/air differentiation with theoretically enhanced robustness and environmental adaptability. The designed system achieves measured figures of merit (FoMs) of 183.2 RIU−1, resolving gases with dielectric contrast below 0.1%. Experimental validation successfully discriminated CO (εr = 1.00262) from air (εr = 1.00054) under standard atmospheric pressure at 18 °C. Full article
(This article belongs to the Special Issue Current Research Progress in Microwave Metamaterials and Metadevices)
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