Volume 246, 2023

Iontronic memories based on ionic redox systems: operation protocols

Abstract

A recently developed, new ionic device called the ionic voltage effect soft triode (IVEST) was optimized, tuned and embedded into a memory application concept. The device is an electrochemical micro-cell, consisting of a top electrode and two bottom electrodes. The device controls the concentration and diffusion of ions via the voltage applied on the top electrode. The device showed a memory effect lasting up to 6 hours. Despite the remarkably large stability time, the memory contrast was small in the first device versions. Now, we have increased the memory contrast by introducing a new external electrical circuit layout combined with a new operation protocol. This new investigation also reveals peculiarities of the memory and shows that the IVEST can be used in memory applications. These iontronic memories show a secondary information storage connected with the read-out frequency.

Graphical abstract: Iontronic memories based on ionic redox systems: operation protocols

Associated articles

Article information

Article type
Paper
Submitted
30 Jan 2023
Accepted
14 Mar 2023
First published
16 Mar 2023
This article is Open Access
Creative Commons BY license

Faraday Discuss., 2023,246, 296-306

Iontronic memories based on ionic redox systems: operation protocols

E. Mohamed, N. Tchorz and F. Marlow, Faraday Discuss., 2023, 246, 296 DOI: 10.1039/D3FD00020F

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