Possible molecular bottom-up approach to optical metamaterials

We investigate the possibility of a molecular bottom-up approach to the construction of the basic element for optical negative index metamaterials. Undoped and doped graphene-based molecules, including nanotubes, are considered. We employ first-principles and tight-binding electronic structure methods to determine the energy levels and the stability of the molecules. Under certain assumptions, we simulate the electromagnetic response of the molecules by a corresponding network of perfect wires. The nanotubes exhibit a resonant response at the soft x-ray range. ©2012 American Physical Society.

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Author Michael J Mehl Thomas Lord Department of Mechanical Engineering and Materia ...