石墨烯圆盘表面等离子体共振的精确数值研究

2013 IEEE XXXIII International Scientific Conference Electronics and Nanotechnology (ELNANO) Pub Date : 2013-04-16 DOI:10.1109/ELNANO.2013.6552077

M. Balaban, A. Vukovic, T. Benson, A. Nosich

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引用次数: 1

摘要

以三维电磁波散射问题的形式对石墨烯表面等离子体共振的激发进行了数值研究。水平磁偶极子场在石墨烯圆盘上散射的数学模型基于麦克斯韦方程，其中石墨烯的电子导电性作为一个参数，并由Kubo形式确定。结果表明，等离子体共振频率在太赫兹范围内随石墨烯化学磁势的变化而变化。远场辐射模式在最密集的共振中绘制。

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Accurate numerical study of graphene disk surface plasmon resonances

The excitation of surface-plasmon resonances on a graphene disk is studied numerically as a 3D electromagnetic wave-scattering problem. Mathematical model for the scattering of a horizontal magnetic dipole field by a graphene disk is based on the Maxwell equations with the electrically-resistive boundary conditions on the disk surface, where graphene electron conductivity is included as a parameter and determined from the Kubo formalism. It is shown that plasmon resonance frequencies in the terahertz range shift with variation of the chemical magnetic potential of the graphene. Far field radiation patterns are plotted in the most intensive resonances.

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2013 IEEE XXXIII International Scientific Conference Electronics and Nanotechnology (ELNANO)

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