Journal
APPLIED PHYSICS LETTERS
Volume 106, Issue 15, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4917564
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Funding
- European Commission via FP 7 NANO RF [318352]
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The paper presents the experimental and modeling results of a microwave slot antenna in a coplanar configuration based on graphene. The antennas are fabricated on a 4 in. high-resistivity Si wafer, with a similar to 300 nm SiO2 layer grown through thermal oxidation. A CVD grown graphene layer is transferred on the SiO2. The paper shows that the reflection parameter of the antenna can be tuned by a DC voltage. 2D radiation patterns at various frequencies in the X band (8-12 GHz) are then presented using as antenna backside a microwave absorbent and a metalized surface. Although the radiation efficiency is lower than a metallic antenna, the graphene antenna is a wideband antenna while the metal antennas with the same geometry and working at the same frequencies are narrowband. (c) 2015 AIP Publishing LLC.
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