Advanced Materials & Devices
This group gathers resources and competences concerning the micro and nanofabrication of materials and devices and the development and dissemination of measurement science and standards related to their functional properties, including electrical, optical, thermal and chemical properties.
In article number 2201248, Gianluca Milano, Ilia Valov, and co-workers review the state-of-the-art of quantum conductance effects in memristive devices. Besides analyzing fundamental physicochemical phenomena and electronic ballistic transport in nanofilaments, recent developments in experimental observation of quantum effects in memristive devices and related challenges are discussed. Representing suitable platforms for investigating quantum phenomena at room temperature, future perspectives of memristive devices in quantum and neuromorphic systems are envisioned.
The dewetting of lamellar phase block copolymer films over topographically defined substrates generates hierarchically aligned hyperbolic metamaterials (HMM) with in‐plane optical axis. Strong reduction in the fluorescence lifetime was observed in nanodiamonds coupled to the Au/air HMM. The analyzed system exhibits hyperbolic behavior in a broad wavelength range in the visible spectrum. For further details, see article number 2001933 by Federico Ferrarese Lupi and co‐workers.
In article number 2000096, Daniele Ielmini, Ilia Valov, Carlo Ricciardi, and co‐workers report a brain‐inspired complex system based on self‐organizing memristive nanowire networks with functional connectivity that exhibit structural plasticity including rewiring and reweighting effects. These neuromorphic systems allow the realization of neural networks with heterosynaptic plasticity able to learn and adapt when subjected to external stimuli, emulating the experience‐dependent plasticity of the nervous system.