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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Apolinario, A.
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Topics
Publications (8/8 displayed)
- 2019FUNCTIONAL METAMATERIALS FOR OPTICAL SENSING OF HYDROGEN
- 2018Negative Magnetoresistance in Nanotwinned NiMnGa Epitaxial Filmscitations
- 2015Influence of sol-gel parameters in the fabrication of ferromagnetic La2/3Ca1/3MnO3 nanotube arrayscitations
- 2014Ultra-long Fe nanowires by pulsed electrodeposition with full filling of alumina templatescitations
- 2012Microstructure and magnetic properties of (Fe100-xCox)(84.5)Nb5B8.5P2 alloyscitations
- 2012Microstructure and magnetic properties of (Fe100-xCox)(84.5)Nb5B8.5P2 alloyscitations
- 2012Precise control of the filling stages in branched nanoporescitations
- 2011Tunning pore filling of anodic alumina templates by accurate control of the bottom barrier layer thicknesscitations
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document
FUNCTIONAL METAMATERIALS FOR OPTICAL SENSING OF HYDROGEN
Abstract
We present the design, fabrication and optical characterization of functional metamaterials for optical sensing of Hydrogen based on inexpensive self-assembly processes of metallic nanowires integrated in nanoporous alumina templates([37-42]). The optical properties of these materials strongly depend on the environmental concentration or partial pressure of hydrogen and can be used to develop fully optical sensors that reduce the danger of explosion. Optical metamaterials are artificial media, usually combining metallic and dielectric sub-wavelength structures, that exhibit optical properties that cannot be found in naturally occurring materials. Among these, functional metamaterials offer the added possibility of altering or controlling these properties externally after fabrication, in our case by contact with a hydrogen rich atmosphere. This dependency can be used to design([43-45]) and develop optical sensors that respond to this gas or to chemical compounds that contain or release hydrogen. In this paper we present some designs for hydrogen functional metamaterials and discuss the main parameters relevant in the optimization of their response.