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A Thermal-Switchable Metamaterial Absorber Based on the Phase-Change Material of Vanadium Dioxide

This article presents a thermal-switchable metamaterial absorber (TSMA) based on the phase-change material of vanadium dioxide (VO(2)). VO(2) thin film was deposited on sapphire substrate by magnetron sputtering followed by vacuum annealing treatment. Then, the prepared VO(2) film was sliced into ti...

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Autores principales: Wang, Zhongbao, Ma, Yanli, Li, Ming, Wu, Liangfei, Guo, Tiantian, Zheng, Yuejun, Chen, Qiang, Fu, Yunqi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9457684/
https://www.ncbi.nlm.nih.gov/pubmed/36080039
http://dx.doi.org/10.3390/nano12173000
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author Wang, Zhongbao
Ma, Yanli
Li, Ming
Wu, Liangfei
Guo, Tiantian
Zheng, Yuejun
Chen, Qiang
Fu, Yunqi
author_facet Wang, Zhongbao
Ma, Yanli
Li, Ming
Wu, Liangfei
Guo, Tiantian
Zheng, Yuejun
Chen, Qiang
Fu, Yunqi
author_sort Wang, Zhongbao
collection PubMed
description This article presents a thermal-switchable metamaterial absorber (TSMA) based on the phase-change material of vanadium dioxide (VO(2)). VO(2) thin film was deposited on sapphire substrate by magnetron sputtering followed by vacuum annealing treatment. Then, the prepared VO(2) film was sliced into tiny chips for thermal-switchable elements. The surface structure of TSMA was realized by loading four VO(2) chips into a square metallic loop. The absorption frequency of TSMA was located at 7.3 GHz at room temperature and switched to 6.8 GHz when the temperature was heated above the critical phase transition temperature of VO(2). A VO(2)-based TSMA prototype was fabricated and measured to verify this design. The design is expected to be used in metasurface antennas, sensors, detectors, etc.
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spelling pubmed-94576842022-09-09 A Thermal-Switchable Metamaterial Absorber Based on the Phase-Change Material of Vanadium Dioxide Wang, Zhongbao Ma, Yanli Li, Ming Wu, Liangfei Guo, Tiantian Zheng, Yuejun Chen, Qiang Fu, Yunqi Nanomaterials (Basel) Article This article presents a thermal-switchable metamaterial absorber (TSMA) based on the phase-change material of vanadium dioxide (VO(2)). VO(2) thin film was deposited on sapphire substrate by magnetron sputtering followed by vacuum annealing treatment. Then, the prepared VO(2) film was sliced into tiny chips for thermal-switchable elements. The surface structure of TSMA was realized by loading four VO(2) chips into a square metallic loop. The absorption frequency of TSMA was located at 7.3 GHz at room temperature and switched to 6.8 GHz when the temperature was heated above the critical phase transition temperature of VO(2). A VO(2)-based TSMA prototype was fabricated and measured to verify this design. The design is expected to be used in metasurface antennas, sensors, detectors, etc. MDPI 2022-08-30 /pmc/articles/PMC9457684/ /pubmed/36080039 http://dx.doi.org/10.3390/nano12173000 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Wang, Zhongbao
Ma, Yanli
Li, Ming
Wu, Liangfei
Guo, Tiantian
Zheng, Yuejun
Chen, Qiang
Fu, Yunqi
A Thermal-Switchable Metamaterial Absorber Based on the Phase-Change Material of Vanadium Dioxide
title A Thermal-Switchable Metamaterial Absorber Based on the Phase-Change Material of Vanadium Dioxide
title_full A Thermal-Switchable Metamaterial Absorber Based on the Phase-Change Material of Vanadium Dioxide
title_fullStr A Thermal-Switchable Metamaterial Absorber Based on the Phase-Change Material of Vanadium Dioxide
title_full_unstemmed A Thermal-Switchable Metamaterial Absorber Based on the Phase-Change Material of Vanadium Dioxide
title_short A Thermal-Switchable Metamaterial Absorber Based on the Phase-Change Material of Vanadium Dioxide
title_sort thermal-switchable metamaterial absorber based on the phase-change material of vanadium dioxide
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9457684/
https://www.ncbi.nlm.nih.gov/pubmed/36080039
http://dx.doi.org/10.3390/nano12173000
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