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碳纳米管组成二维光子晶体的有效介电常数FDTD数值模拟
FDTD Simulation of Effective Dielectric Constant of a Two-Dimensional Photonic Crystal with Carbon Nanotubes
【摘要】 把有序排列的碳纳米管看做二维光子晶体,引入平均场方法,先计算单根纳米碳管的有效介电常数,再用时域有限差分方法(FDTD)计算碳管阵列的有效介电常数,其结果与Maxwell-Garnett(MG)法结果相比,更接近实验数据.
【Abstract】 We calculate effective dielectric constant of a single carbon nanotube with the mean field method.A finite difference time domain method is used to simulate the effective dielectric constant of two-dimensional photonic crystal which is formed with carbon nanotubes.Compared with Maxwell-Garnett’s method,these results are closer to the experimental data.
【关键词】 纳米碳管;
二维光子晶体;
时域有限差分法;
有效介电常数;
数值模拟;
【Key words】 carbon nanobube; two-dimensional photonic crystal; finite difference time domain method; effective dielectric constant; numerical simulation;
【Key words】 carbon nanobube; two-dimensional photonic crystal; finite difference time domain method; effective dielectric constant; numerical simulation;
【基金】 江苏省自然科学基金资助(BK2004059)
- 【文献出处】 计算物理 ,Chinese Journal of Computational Physics , 编辑部邮箱 ,2006年03期
- 【分类号】TB383.1
- 【被引频次】7
- 【下载频次】324