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- W3208242645 abstract "We proposed and demonstrated a switchable terahertz device composed of patterned graphene and vanadium dioxide (VO <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</inf> ). The device can achieve function switching within the same structure and frequency range. When the graphene Fermi energy level is E <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>F</inf> =0.6 eV and the VO <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</inf> is in the metal phase, the proposed terahertz device can act as a broadband absorber with the absorption over 90% from 1.15 to 2.13 THz. When the graphene Fermi energy level is E <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>F</inf> =0 eV and the VO <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</inf> is in the insulator phase, the device can be switched into the broadband filter mode, in which the 3 dB bandwidth is 1.22 THz with the center frequency of 1.58 THz." @default.
- W3208242645 created "2021-11-08" @default.
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- W3208242645 date "2021-08-29" @default.
- W3208242645 modified "2023-10-17" @default.
- W3208242645 title "A Switchable Terahertz Filter/Absorber based on Graphene and Vanadium Dioxide Metamaterial" @default.
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- W3208242645 doi "https://doi.org/10.1109/irmmw-thz50926.2021.9567320" @default.
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