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Here we present an analysis on a class of metasurfaces based on Titanium nanocommas, that features a relevant circular dichroism, a highly sought-after characteristic in sensing applications. Our study includes extensive simulations and an evaluation of the challenges for the samples fabrication. Our numerical results reveal promising values of dichroism in ultraviolet and visible frequencies, which further validates the use of Titanium for this type of devices, in addition to its biocompatibility. We also show the variations of the behaviour related to the superficial oxidation of the metal. Details, results and guidelines from the fabrication processes are presented.
Springer, Cham
Publication date: 
1 Jan 2023

Badrul Alam, Andrea Veroli, Alessio Benedetti, Giorgio Pettinari, Luca Maiolo, Marco Esposito, Rita Asquini

Biblio References: 
Pages: 59-64
AISEM Annual Conference on Sensors and Microsystems