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Adsorption-induced fluctuations and noise in plasmonic metamaterial devices

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2014
Authors
Jakšić, Olga
Jokić, Ivana
Jakšić, Zoran
Čupić, Željko
Kolar-Anić, Ljiljana
Article (Published version)
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Abstract
The investigation represented here is focused on fundamental intrinsic fluctuations caused by the adsorption and desorption (a-d) of surrounding particles on the active surface in plasmonic metamaterial devices. The variance and relative fluctuations in adsorption-desorption dynamics are studied based on two different kinetic models (pseudo-first order kinetics and second order kinetics). The limits of the applicability of the pseudo-first order model are determined, thus ensuring the use of the vast mathematical heritage developed for linear systems in calculation of a-d noise, while at the same time speeding up and simplifying calculations. An approach is proposed to assess adsorption in a metamaterial sensor using an effective parameter dependent on the properties of the metamaterial unit cell.
Keywords:
adsorption-desorption / fluctuations / metamaterials / plasmonic device
Source:
Physica Scripta, 2014
Publisher:
  • Iop Publishing Ltd, Bristol
Projects:
  • Micro- Nanosystems and Sensors for Electric Power and Process Industry and Environmental Protection (RS-32008)

DOI: 10.1088/0031-8949/2014/T162/014047

ISSN: 0031-8949

WoS: 000349832200048

Scopus: 2-s2.0-84907286478
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/1425
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IHTM

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