期刊
APPLIED PHYSICS LETTERS
卷 114, 期 16, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.5094652
关键词
-
资金
- Australian Research Council [DP170102086]
We report temperature dependent electrical characteristics of two-terminal Ag/a-COx/ta-C/Pt memristors. In these asymmetric devices, defects at the Ag/a-COx interface are passivated by oxygen. This alleviates Fermi level pinning and hence increases the height of the Schottky barrier formed at the interface. Electric-field-induced detrapping of electrons from sp(2)-related defects in the ta-C causes the observed resistive switching. This occurs entirely in the insulating regime, i.e., with conductance << 2e(2)/h, enabling ultralow power resistive switching (similar to 6 nW). Nonlinear temperature dependent ON/OFF ratios and short-term memory characteristics (governed by thermal detrapping kinetics) suggest suitability for temporal neuromorphic computing and sensing applications. Published under license by AIP Publishing.
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