期刊
MICROMACHINES
卷 10, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/mi10020095
关键词
ReRAM; carbon nanofibers; spray-gun deposition
类别
资金
- European Union's Horizon 2020 Research and Innovation Programme MODCOMP (Modified cost effective fibre-based structures with improved multi-functionality and performance) [685844]
This paper deals with the fabrication of Resistive Random Access Memory (ReRAM) based on oxidized carbon nanofibers (CNFs). Stable suspensions of oxidized CNFs have been prepared in water and sprayed on an appropriate substrate, using the dynamic spray-gun deposition method, developed at Thales Research and Technology. This technique allows extremely uniform mats to be produced while heating the substrate at the boiling point of the solvent used for the suspensions. A thickness of around 150 nm of CNFs sandwiched between two metal layers (the metalized substrate and the top contacts) has been achieved, creating a Metal-Insulator-Metal (MIM) structure typical of ReRAM. After applying a bias, we were able to change the resistance of the oxidized layer between a low (LRS) and a high resistance state (HRS) in a completely reversible way. This is the first time that a scientific group has produced this kind of device using CNFs and these results pave the way for the further implementation of this kind of memory on flexible substrates.
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