Microwave Tunable Metamaterial Based on Semiconductor-to-Metal Phase Transition

Abstract A microwave tunable metamaterial utilizing the semiconductor-to-metal transition of vanadium dioxide (VO2) is proposed, experimentally demonstrated and theoretically scrutinized. Basic concept of the design involves the combination of temperature-dependent hysteresis in VO2 with resonance i...

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Autores principales:	Guanqiao Zhang, He Ma, Chuwen Lan, Rui Gao, Ji Zhou
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3232ae62a0e345768a58d43affa0ebb7
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spelling	oai:doaj.org-article:3232ae62a0e345768a58d43affa0ebb72021-12-02T12:32:52ZMicrowave Tunable Metamaterial Based on Semiconductor-to-Metal Phase Transition10.1038/s41598-017-06230-y2045-2322https://doaj.org/article/3232ae62a0e345768a58d43affa0ebb72017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-06230-yhttps://doaj.org/toc/2045-2322Abstract A microwave tunable metamaterial utilizing the semiconductor-to-metal transition of vanadium dioxide (VO2) is proposed, experimentally demonstrated and theoretically scrutinized. Basic concept of the design involves the combination of temperature-dependent hysteresis in VO2 with resonance induced heating, resulting in a nonlinear response to power input. A lithographically prepared gold split-rings resonator (SRR) array deposited with VO2 thin film is fabricated. Transmission spectra analysis shows a clear manifestation of nonlinearity, involving power-dependence of resonant frequency as well as transmitted intensity at both elevated and room temperature. Simulation performed with CST Microwave Studio conforms with the findings. The concept may find applications in transmission modulation and frequency tuning devices working under microwave frequency bands.Guanqiao ZhangHe MaChuwen LanRui GaoJi ZhouNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-6 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Guanqiao Zhang He Ma Chuwen Lan Rui Gao Ji Zhou Microwave Tunable Metamaterial Based on Semiconductor-to-Metal Phase Transition
description	Abstract A microwave tunable metamaterial utilizing the semiconductor-to-metal transition of vanadium dioxide (VO2) is proposed, experimentally demonstrated and theoretically scrutinized. Basic concept of the design involves the combination of temperature-dependent hysteresis in VO2 with resonance induced heating, resulting in a nonlinear response to power input. A lithographically prepared gold split-rings resonator (SRR) array deposited with VO2 thin film is fabricated. Transmission spectra analysis shows a clear manifestation of nonlinearity, involving power-dependence of resonant frequency as well as transmitted intensity at both elevated and room temperature. Simulation performed with CST Microwave Studio conforms with the findings. The concept may find applications in transmission modulation and frequency tuning devices working under microwave frequency bands.
format	article
author	Guanqiao Zhang He Ma Chuwen Lan Rui Gao Ji Zhou
author_facet	Guanqiao Zhang He Ma Chuwen Lan Rui Gao Ji Zhou
author_sort	Guanqiao Zhang
title	Microwave Tunable Metamaterial Based on Semiconductor-to-Metal Phase Transition
title_short	Microwave Tunable Metamaterial Based on Semiconductor-to-Metal Phase Transition
title_full	Microwave Tunable Metamaterial Based on Semiconductor-to-Metal Phase Transition
title_fullStr	Microwave Tunable Metamaterial Based on Semiconductor-to-Metal Phase Transition
title_full_unstemmed	Microwave Tunable Metamaterial Based on Semiconductor-to-Metal Phase Transition
title_sort	microwave tunable metamaterial based on semiconductor-to-metal phase transition
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/3232ae62a0e345768a58d43affa0ebb7
work_keys_str_mv	AT guanqiaozhang microwavetunablemetamaterialbasedonsemiconductortometalphasetransition AT hema microwavetunablemetamaterialbasedonsemiconductortometalphasetransition AT chuwenlan microwavetunablemetamaterialbasedonsemiconductortometalphasetransition AT ruigao microwavetunablemetamaterialbasedonsemiconductortometalphasetransition AT jizhou microwavetunablemetamaterialbasedonsemiconductortometalphasetransition
_version_	1718393910267478016

Microwave Tunable Metamaterial Based on Semiconductor-to-Metal Phase Transition

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