NbOx based memristor as artificial synapse emulating short term plasticity
Open accessAbstract
Memristors can mimic the functions of biological synapse, where it can simultaneously store the synaptic weight and modulate the transmitted signal. Here, we report Nb/Nb2O5/Pt based memristors with bipolar resistive switching, exhibiting synapse like property of gradual and continuously change of conductance with subsequent voltage signals. Mimicking of basic functions of remembering and forgetting processes of biological brain were demonstrated through short term plasticity, spike rate dependent plasticity, paired pulse facilitation and post-titanic potentiation. The device layer interface tuning was shown to affect the device properties shift from digital to analog behaviour. Demonstration of basic synaptic functions in the NbOx based devices makes them suitable for neuromorphic applications.
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Cites
Nanoscale Memristor Device as Synapse in Neuromorphic Systems
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Park, S.-O., Park, T., Jeong, H., Hong, S., Seo, S., Kwon, Y., Lee, J., & Choi, S. (2023) · Nanoscale Horizons · doi:10.1039/d3nh00121k · Cited by 31 · see citing works
- Authors
- Deswal, S., Kumar, A., & Kumar, A.
- Affiliations
- Council of Scientific and Industrial Research (IN)
- Venue
- AIP Advances
- Publisher
- AIP Publishing
- Published
- 2019-09-01
- Volume
- 9
- Issue
- 9
- ISSN
- 2158-3226 (ISSN-L)
- OpenAlex
- W2974540179
- Cited by
- 42
- References
- 6
- Citations by year
- 2026: 7 · 2025: 5 · 2024: 6 · 2023: 11 · 2022: 6 · 2021: 2 · 2020: 5
- FWCI
- 1.17
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- AIP Advances (publishedVersion, cc-by)
- arXiv (Cornell University) (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- arXiv (Cornell University)
- Funders
- Department of Science and Technology, Ministry of Science and Technology
- University Grants Commission
- Council of Scientific and Industrial Research, India
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Memory and Neural Computing
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Ferroelectric and Negative Capacitance Devices
- Physical Sciences › Materials Science › Materials Chemistry › Phase-change materials and chalcogenides
- Keywords
- memristors, artificial synapses, short-term plasticity, Nb2O5, bipolar resistive switching, spike-rate-dependent plasticity, paired-pulse facilitation, neuromorphic hardware
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