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Memory and Energy Storage Dual Operation in Chalcogenide-Based CBRAM

Publié le 29 mars 2018
Memory and Energy Storage Dual Operation in Chalcogenide-Based CBRAM
Auteurs
Lee D., Oukassi S., Molas G., Carabasse C., Salot R., Perniola L.
Year2017-0330
Source-TitleIEEE Journal of the Electron Devices Society
Affiliations
Department of Electronic Materials Engineering, Kwangwoon University, Seoul, South Korea, CEA, LETI, Minatec, Grenoble, France
Abstract
In this paper, we demonstrated memory and energy storage dual operation in GeS2/Ag conducting bridge RAM. Both operations are based on electrochemical reactions and Ag diffusion in the GeS2 electrolyte. Depending on specific bias and current conditions, the same device can be used for data or energy storage: in memory mode, Ag-based filament is formed in GeS2, while in energy storage mode, Ag bulk diffusion is achieved. Voltage sweep and constant current stress cycling modes for energy storage are evaluated, and the total stored charge is quantified. These obtained results open the path for new autonomous or ultra-low power circuits, integrating dual operation devices composed of the same stack, where energy storage devices could provide energy to the memory array. © 2013 IEEE.
Author-Keywords
CBRAM, dual operation, electrochemical metallization cell, energy storage, ion migration, nano battery
Index-Keywords
Digital storage, Electrolytes, Energy storage, Low power electronics, CBRAM, dual operation, Electrochemical metallization (ECM), Ion migration, nano battery, Random access storage
ISSN21686734
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