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NAtuRal instability of semiConductors thIn SOlid films for sensing and photonic applications

Project description

Thin-film instabilities aid design of flexible photonic and sensing devices

Solid-state dewetting describes the process where a thin film starts to degenerate into separated droplets when heated at a temperature well below the melting point. The EU-funded NARCISO project plans to exploit the thin-film instabilities that are caused by solid-state dewetting (in silicon and germanium) to form complex patterns and nano-architectures. The patterns will be used as epitaxial platforms for growing light-emitting III-V compounds or as hard-masters for imprinting metal oxides. The architectures envisaged include atomically smooth single-crystalline structures and disordered hyperuniform systems. The structures will be optimised for use in photonic or sensing devices.

Objective

NARCISO “NAtuRal instability of semiConductors thIn SOlid films for sensing and photonic applications” is an interdisciplinary project merging physics, chemistry, material science, fluid dynamics, and photonics with a high potential for applications and industrial scale-up of the relevant results. We propose to exploit the natural instability of thin solid films (solid state dewetting of silicon and germanium, SSD) to form complex patterns and nano-architectures (e.g. monocrystalline atomically-smooth structures, disordered hyperuniform metamaterials) that cannot be implemented with conventional methods. These patters will be used as: i) epitaxial platforms for the growth of light-emitting III-V compounds; ii) hard-masters for nano-imprint lithography of metal oxides (e.g. TiO2, SiO2, ZnO, Al2O3) deposited via sol-gel dip-coating (soft-NIL) and printed on arbitrary substrates, with tunable chemical and physical properties (e.g. composition, porosity, wettability). Methods and structures will be optimized towards their exploitation in two main domains of application: 1) photonic devices (e.g. anti-reflection coatings, colour-filters, random lasers, quantum emitters) and 2) micro-fluidic devices for bio/chemical sensing and water filtering. NARCISO holds the state-of-the-art in SSD and soft-NIL and is already at work in their theoretical comprehension their experimental implementation and practical exploitation. Now NARCISO will combine these techniques bringing them to the leading-edge of micro-and nanostructuring over ultra-large scales and with methods compatible with an industrial scale-up. The presence of the non-academic member Obducat Technologies is a strategic asset of the consortium as it is a major international actor in the nano-imprint lithography domain. It will provide the standard and needs for a realistic formulation of the relevant experimental methods and will demonstrate their implementation in a high-throughput industrial chain of production.

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Topic(s)

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RIA - Research and Innovation action

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Call for proposal

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(opens in new window) H2020-FETOPEN-2018-2020

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Coordinator

CONSIGLIO NAZIONALE DELLE RICERCHE
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 595 707,50
Address
PIAZZALE ALDO MORO 7
00185 Roma
Italy

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Region
Centro (IT) Lazio Roma
Activity type
Research Organisations
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 596 707,50

Participants (5)

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