Special Section on Nanostructured Thin Films: Design, Fabrication, Characterization, and Modeling

Metamaterial absorber comprising chromium–gold nanorods-based columnar thin films

[+] Author Affiliations
Masih Ghasemi, Pankaj K. Choudhury, Muhammad Abuzar Baqir, Mohd Ambri Mohamed, Ahmad Rifqi Md. Zain, Burhanuddin Yeop Majlis

Universiti Kebangsaan Malaysia, Institute of Microengineering and Nanoelectronics, Bangi, Selangor, Malaysia

J. Nanophoton. 11(4), 043505 (Mar 29, 2017). doi:10.1117/1.JNP.11.043505
History: Received December 5, 2016; Accepted March 1, 2017
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Abstract.  The absorption characteristics of complex medium structures having metasurfaces comprised of columnar nanorods of gold were investigated. In this stream, a periodically arranged assembly of vertical gold nanorods of circular and elliptical cross sections, backed by chromium nanorods of the same cross-sectional size and shape, was considered to be the metasurface, and the comparative features of the absorption characteristics were emphasized. The results exhibit very high absorption corresponding to certain wavelengths in the visible span, and the absorber having elliptical gold nanorods yields a better performance than the one with circular nanorods in terms of the magnitude/smoothness of the absorption peaks.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Masih Ghasemi ; Pankaj K. Choudhury ; Muhammad Abuzar Baqir ; Mohd Ambri Mohamed ; Ahmad Rifqi Md. Zain, et al.
"Metamaterial absorber comprising chromium–gold nanorods-based columnar thin films", J. Nanophoton. 11(4), 043505 (Mar 29, 2017). ; http://dx.doi.org/10.1117/1.JNP.11.043505


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