在epsilon-near-zero超材料上沉积的石墨烯-聚合物异质结构的可调谐微波吸收

2016 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS) Pub Date : 2016-09-01 DOI:10.1109/METAMATERIALS.2016.7746491

M. Lobet, M. Sarrazin

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引用次数: 1

摘要

从理论上推导了石墨烯- pmma异质结构在epsilon-近零超材料板上的电动力学。在满足电磁阻抗匹配条件的情况下，实现完全吸收。吸收的可调性可以通过器件的有效电导率的电压调制来获得。例如，使用超过聚合物层击穿电压的电压，显示了40%的吸收/反射率调制。

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Tunable microwave absorption of graphene-polymer heterostructures deposited on a epsilon-near-zero metamaterial

Electrodynamics of graphene-PMMA heterostructures on a slab of epsilon-near-zero metamaterial is theoretically worked out. Perfect absorption is achieved once electromagnetic impedance matching condition is fullfilled. Tunability of the absorption can be obtained using a voltage modulation of the effective conductivity of the device. For example, modulation of 40% of absorption/reflectance is shown using voltage beyond the breakdown voltage of the polymer layers.

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2016 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS)

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