Optical properties of Al nanostructures from time dependent density functional theory | Zendy

Junais Habeeb Mokkath | Zendy; Udo Schwingenschlögl | Zendy

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Optical properties of Al nanostructures from time dependent density functional theory

Author(s) -

Junais Habeeb Mokkath,

Udo Schwingenschlögl

Publication year - 2016

Publication title -

the journal of chemical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.071

H-Index - 357

eISSN - 1089-7690

pISSN - 0021-9606

DOI - 10.1063/1.4945338

Subject(s) - density functional theory , aspect ratio (aeronautics) , plasmon , nanostructure , materials science , absorption (acoustics) , spectral line , absorption spectroscopy , time dependent density functional theory , nanotechnology , molecular physics , condensed matter physics , optoelectronics , optics , chemistry , physics , computational chemistry , quantum mechanics , composite material

The optical properties of Al nanostructures are investigated by means of time dependent density functional theory, considering chains of varying length and ladders/stripes of varying aspect ratio. The absorption spectra show redshifting for increasing length and aspect ratio. For the chains the absorption is dominated by HOMO → LUMO transitions, whereas ladders and stripes reveal more complex spectra of plasmonic nature above a specific aspect ratio

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