Understanding Graphene at Microwaves

What is it about?

Graphene is an one-atom thick material which has attracted many research interests recently worldwide. This paper demonstrates an unique measurement technique to measurement the graphene property at microwave frequencies. It is noted that current graphene sample exhibits high resistive loss, which may be explored for applications in optically transparent absorbers.

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Why is it important?

Understanding its material properties at various frequency bands is very useful for the research community as well as industrial users to explore further applications of graphene. The work has led to the design of layered graphene for wideband wave absorptions, which can be used, for example, to reduce interferences from other radio sources for wireless communications.