Equivalent Circuit Method Analysis of Graphene-Metamaterial (GM) Absorber

被引：30

作者：

Xiong, Han ^{[1
]}

Tang, Ming-Chun ^{[1
]}

Li, Mei ^{[1
]}

Li, Dong ^{[1
]}

Jiang, Yan-Nan ^{[2
]}

机构：

[1] Chongqing Univ, Coll Commun Engn, Chongqing 400044, Peoples R China

[2] Guangxi Coll & Univ Key Lab Microwave & Opt Wave, Guangxi 541004, Peoples R China

来源：

PLASMONICS | 2018年 / 13卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Graphene; Absorber; Equivalent circuit; DESIGN; FILMS; FABRICATION; FREQUENCY;

D O I：

10.1007/s11468-017-0581-6

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

This paper presents an effective method to model and analyze graphene-metamaterial (GM) absorbers by using an equivalent circuit model. A reliable and closed formula to describe the absorption mechanism of the GM structure was derived from this approach. With the obtained expressions, the effect of the graphene chemical potential on the absorber's resonance frequency is able to be predicted. In order to verify this proposed equivalent circuit method, an absorber consists of metamaterial and graphene was simulated and the physical mechanism was well explained. This method provides an effective way to analyze multilayered GM absorbers for the future.

引用

页码：857 / 862

页数：6

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