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Series resistance of signal line in graphene coplanar waveguide

机译：石墨烯共面波导中信号线的串联电阻

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In this paper, we focus on the influence of series resistance of signal line (comoprised of the sheet resistance of graphene and the contact resistance between graphene and metal) on the radio-frequency transmission property of graphene coplanar waveguide (CPW) and put forward ways to improve it. According to our research, the large series resistance (7.2 k??) of signal line is the main reason for the large insertion loss (|S21|) of graphene CPW. The insertion loss of graphene CPW is found to be reduced by either enlarging the area of graphene-metal contact or increasing the number of graphene layers.
机译：本文重点研究信号线的串联电阻（由石墨烯的薄层电阻和石墨烯与金属之间的接触电阻组成）对石墨烯共面波导（CPW）的射频传输性能的影响，并提出了解决方法改善它。根据我们的研究，信号线的串联电阻（7.2kΩ）大是石墨烯CPW插入损耗（| S21 |）大的主要原因。发现通过增大石墨烯与金属的接触面积或增加石墨烯层的数量，可以减少石墨烯CPW的插入损耗。

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