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Analog Ultrastable Organic Glasses for Reconfigurable Memory and Spike-based Computing

Obiettivo

Modern memory technologies rely on rigid binary states and physically separate storage and processing units leading to high energy consumption and inefficiencies that are incompatible with emerging intelligent systems. GLASSPIKE proposes a materials-centred disruptive alternative that harnesses the intrinsic properties of small-molecule ultrastable glasses to build a soft, analogue, spike-modulated, non-volatile memory with adaptive, brain-like behaviour and achieves memristive-like operation through controlled polarization rather than resistance switching. These vapor-deposited organic materials, renowned for their exceptional kinetic and thermodynamic stability, can also exhibit very large spontaneous orientation polarization when molecular dipoles align during growth. Voltage- and interface-driven imprinting writes distinct polarization levels during brief, locally heated excursions to the liquid state and locks them on quenching enabling multistate, gradual, reversible updates; low-temperature, solvent-free patterning confines these transformations to defined micro- to nanoscale domains aligned to heaters, forming bistable glassy arrays for high-density, addressable integration. Rapid (de)polarization emits spike-like currents that self-verify each update and enable event-driven control allowing computation where the data live. The project systematically investigates how ultrastability, molecular anisotropy, interfacial engineering, spatially resolved front-mediated devitrification, and field-driven dipole reconfiguration create and preserve spatially encoded analogue states. Together, these advances will lay the foundation for an innovative concept of energy-efficient organic material that unites multi-bit memory and computation. GLASSPIKE is expected to exploit to an unprecedented extent the voltage-driven actuation in dipolar glasses to forge an entirely new paradigm in neuromorphic hardware.

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HORIZON-ERC - HORIZON ERC Grants

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(si apre in una nuova finestra) ERC-2025-ADG

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Istituzione ospitante

FUNDACIO INSTITUT CATALA DE NANOCIENCIA I NANOTECNOLOGIA
Contributo netto dell'UE
€ 2 858 957,00
Indirizzo
CAMPUS DE LA UAB - EDIFICI ICN2
08193 BELLATERRA (BARCELONA)
Spagna
Regione
Este Cataluña Barcelona
Tipo di attività
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Costo totale
Nessun dato

Beneficiari (2)