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Resistive Switching in Aqueous Nanopores by Shock Electrodeposition

Author(s)
Muralidhar, Ramachandran; Waser, Rainer; Han, Jihyung; Bazant, Martin Z
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Abstract
Solid-state programmable metallization cells have attracted considerable attention as memristive elements for Redox-based Resistive Random Access Memory (ReRAM) for low-power and low-voltage applications. In principle, liquid-state metallization cells could offer the same advantages for aqueous systems, such as biomedical lab-on-a-chip devices, but robust resistive switching has not yet been achieved in liquid electrolytes, where electrodeposition is notoriously unstable to the formation of fractal dendrites. Here, the recently discovered physics of shock electrodeposition are harnessed to stabilize aqueous copper growth in polycarbonate nanopores, whose surfaces are modified with charged polymers. Stable bipolar resistive switching is demonstrated for 500 cycles with <10 s retention times, prior to any optimization of the geometry or materials. Keywords: shock electrodeposition; resistive switching; over-limiting current; charged nanopores; deionization shock wave
Date issued
2016-10
URI
http://hdl.handle.net/1721.1/120666
Department
Massachusetts Institute of Technology. Department of Chemical Engineering; Massachusetts Institute of Technology. Department of Mathematics
Journal
Electrochimica Acta
Publisher
Elsevier
Citation
Han, Ji-Hyung et al. “Resistive Switching in Aqueous Nanopores by Shock Electrodeposition.” Electrochimica Acta 222 (December 2016): 370–375 © 2016 Elsevier Ltd
Version: Original manuscript
ISSN
0013-4686
0019-4686

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