Abstract
Graphene is a thin sheet of carbon atoms in which carbon atoms are arranged in a hexagonal honeycomb lattice structure. It has very high electrical conductivity. Properties like high electron mobility and ability to support Surface Plasmon Polariton (SPP) waves make graphene suitable for THz communication. In this paper, antennas are designed and investigated with graphene patch at different substrates employing finite element method-based High Frequency Simulation Software (HFSS). Performance of the antennas are investigated for five different substrate materials such as FR-4, Bakelite, Rogers R04003, RT Duroid 6010 and Taconic TLC. Further, the performances are examined on the basis of return loss, voltage standing wave ratio (VSWR), gain, directivity and bandwidth of the graphene-based patch antennas at Gigahertz (GHz) and Terahertz (THz) range. Finally, it is proved that effect of substrate material is retained while linear scaling graphene-based patch antenna from GHz frequency range to THz frequency range.
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Khanam, D., Bhattacharyya, K., Sarma, K.K., Baruah, S. (2021). Study on Substrate Dependency of Graphene-Based Patch Antennas for Gigahertz and Terahertz Applications. In: Bora, P.K., Nandi, S., Laskar, S. (eds) Emerging Technologies for Smart Cities. Lecture Notes in Electrical Engineering, vol 765. Springer, Singapore. https://doi.org/10.1007/978-981-16-1550-4_11
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DOI: https://doi.org/10.1007/978-981-16-1550-4_11
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