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Numerical investigation of graphene-based metamaterial microstrip radiating structure

Authors: 

Vigneswaran Dhasarathan, Nizam Bilakhiya, Juveriya Parmar, Mayurkumar Ladumor, Shobhit K Patel

Source title: 
Materials Research Express, 7(1), 2020 (ISI)
Academic year of acceptance: 
2020-2021
Abstract: 

Recent advancement in antenna technology is directed to achieve reconfiguration of radiating structure parameters. In this paper, we propose graphene-based reconfigurable and high gain microstrip radiating structure for multiband wireless communication applications. The circular copper patch is used as a radiating element of the radiating structure. Graphene layer with circular holes is applied to this microstrip based radiating structure to tune the radiating structure parameters. The radiating structure is stacked with superstrate layers to improve the gain of the design. Frequency reconfiguration and gain enhancement are achieved by varying the chemical potential of graphene. Radiating structure analysis in terms of the reflection coefficient, radiation pattern and gain polar plot is obtained. The proposed reconfigurable radiating structure can be used for L and S-band applications.