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Induced electric fields and plasmonic interactions between a metallic nanotube and a thin metallic film |
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| Authors: | LI HongJian FU ShaoLi XIE SuXia XU HaiQing ZHOU Xin & WU JinJun College of Physics Science Technology Central South University Changsha China College of Materials Science Engineering |
| Affiliation: | LI HongJian 1,2,FU ShaoLi 1,XIE SuXia 1,XU HaiQing 1,ZHOU Xin 1,2 & WU JinJun 1 1 College of Physics Science , Technology,Central South University,Changsha 410083,China,2 College of Materials Science , Engineering |
| Abstract: | We have numerically simulated the induced electric fields and the plasmonic interactions of a metallic nanotube near a thin metallic film. Our study shows that the energies and intensities of the plasmon resonances depend strongly on the aspect ratio (the ratio of the inner to outer radius) of the nanotube as well as the separation between the center of the nanotube and the upper surface of the metallic film and the thickness of the film. The enhancement of the induced electric field of this system reaches ... |
| Keywords: | metallic nanotube virtual state plasmons extinction spectrum |
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