Atomic scale dynamics drive brain-like avalanches in percolating nanostructured networks

MD Pike, SK Bose, JB Mallinson, SK Acharya… - Nano …, 2020 - ACS Publications
Self-assembled networks of nanoparticles and nanowires have recently emerged as
promising systems for brain-like computation. Here, we focus on percolating networks of …

Nanoscale terahertz STM imaging of a metal surface

Y Luo, V Jelic, G Chen, PH Nguyen, YJR Liu… - Physical Review B, 2020 - APS
Terahertz scanning tunneling microscopy (THz-STM) has enabled studies of ultrafast
dynamics in materials down to the atomic scale. However, despite recent advances, more …

Stable self-assembled atomic-switch networks for neuromorphic applications

SK Bose, JB Mallinson, RM Gazoni… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Nature-inspired neuromorphic architectures are being explored as an alternative to
imminent limitations of conventional complementary metal-oxide semiconductor …

Facile fabrication of complex networks of memristive devices

C Minnai, A Bellacicca, SA Brown, P Milani - Scientific reports, 2017 - nature.com
We describe the memristive properties of cluster-assembled gold films. We show that
resistive switching is observed in pure metallic nanostructured films at room temperature …

Quantized conductance and switching in percolating nanoparticle films

A Sattar, S Fostner, SA Brown - Physical review letters, 2013 - APS
We demonstrate switching behavior and quantized conductance at room temperature in
percolating films of nanoparticles. Our experiments and complementary simulations show …

Synaptic dynamics in complex self-assembled nanoparticle networks

SK Bose, S Shirai, JB Mallinson, SA Brown - Faraday discussions, 2019 - pubs.rsc.org
We report a detailed study of neuromorphic switching behaviour in inherently complex
percolating networks of self-assembled metal nanoparticles. We show that variation of the …

Self-organized nanoscale networks: are neuromorphic properties conserved in realistic device geometries?

Z Heywood, J Mallinson, E Galli… - Neuromorphic …, 2022 - iopscience.iop.org
Self-organised nanoscale networks are currently under investigation because of their
potential to be used as novel neuromorphic computing systems. In these systems, electrical …

Neuromorphic behavior in percolating nanoparticle films

S Fostner, SA Brown - Physical Review E, 2015 - APS
We show that the complex connectivity of percolating networks of nanoparticles provides a
natural solid-state system in which bottom-up assembly provides a route to realization of …

Ultrafast heat flow in heterostructures of Au nanoclusters on thin films: Atomic disorder induced by hot electrons

T Vasileiadis, L Waldecker, D Foster, A Da Silva… - ACS …, 2018 - ACS Publications
We study the ultrafast structural dynamics, in response to electronic excitations, in
heterostructures composed of size-selected Au nanoclusters on thin-film substrates with the …

Nanoparticle fragmentation below the melting point under single picosecond laser pulse stimulation

P Kang, Y Wang, BA Wilson, Y Liu… - The Journal of …, 2021 - ACS Publications
Understanding the laser–nanomaterial interactions that lead to nanomaterial fragmentation
is important for nanoparticle manufacturing, energy, and biomedical sciences. So far, three …