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Issue 45, 2015
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Equivalent energy-level structures in stacked metamaterials

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The unusual properties of metamaterials originate from their artificial metallic structures; however, these materials indeed behave as an effective medium in the operating frequency range. Correspondingly, the unit cell is called a meta-atom, but its relationship with real atoms has not been substantially studied. In this paper, we studied a stacked fishnet metamaterial in the optical frequency range and established a basic relationship between the meta-atom and the real atom. The characteristic frequency of meta-atoms behaves just as the energy level of real atoms, which splits with the stacked meta-atom number, converges with the atom spacing and is sensitive to the features of the center dielectric layer. This work will increase the understanding of metamaterial physics in view of solid-state physics and guide metamaterial design through quantum mechanical methods.

Graphical abstract: Equivalent energy-level structures in stacked metamaterials

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The article was received on 13 Sep 2015, accepted on 21 Oct 2015 and first published on 22 Oct 2015

Article type: Paper
DOI: 10.1039/C5TC02884A
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J. Mater. Chem. C, 2015,3, 11827-11832

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    Equivalent energy-level structures in stacked metamaterials

    C. Liu, Y. Bai, J. Zhou, Q. Zhao, Y. Yan, J. Li, Y. Su and L. Qiao, J. Mater. Chem. C, 2015, 3, 11827
    DOI: 10.1039/C5TC02884A

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