Single-atom-sized wires carry the electric current in the memristors created by our colleagues in the Nanoelectronics research group. Research published in Nano Letters.

Tímea Nóra Török, Miklós Csontos, Péter Makk, András Halbritter
Breaking the Quantum PIN Code of Atomic Synapses
Nano Lett. 20, 1192 (2020)
https://doi.org/10.1021/acs.nanolett.9b04617

Website of the research group: http://nanoelectronics.physics.bme.hu/