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Room temperature operation of a quantum-dot flash memory
Abstract
A flash-memory device has been fabricated and demonstrated at room temperature by coupling a self-aligned, sub-50-nm quantum dot to the channel of a transistor on a silicon-on-insulator (SOI) substrate. Large threshold voltage shifts of up to 0.75 V are obtained for small erase/write voltages (13 V) at room temperature. At 90 K, evidence of single electron storage is observed. The small size of this device is attractive for achieving high packing densities, while the relatively large output current (100 nA-μA's), low off-state current (10 pA), and simple fabrication, requiring only minor variations in standard processing, make it suitable for integration with current silicon memory and logic technology.
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Citations
Cited by
Synthesis and Characterization of Monodisperse Nanocrystals and Close-Packed Nanocrystal Assemblies
Murray, C. B., Kagan, C. R., & Bawendi, M. G. (2000) · Annual Review of Materials Science · doi:10.1146/annurev.matsci.30.1.545 · Cited by 4,353
Metal nanocrystal memories. I. Device design and fabrication
Liu, Z., Lee, C., Narayanan, V., Pei, G., & Kan, E. C. (2002) · IEEE Transactions on Electron Devices · doi:10.1109/ted.2002.802617 · Cited by 482
Metadata
- Authors
- Welser, J. J., Tiwari, S., Rishton, S., Lee, K. Y., & Lee, Y.
- Venue
- IEEE Electron Device Letters
- Published
- 1997-06
- Volume
- 18
- Issue
- 6
- Pages
- 278-280
- ISSN
- 0741-3106 (ISSN-L)
- 1558-0563
- OpenAlex
- W2107064081
- Cited by
- 195
- References
- 0
- FWCI
- 21.11
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Room temperature operation of a quantum-dot flash memory. https://app.cochat.ai/papers/10.1109/55.585357
- The paper
- Welser, J. J., Tiwari, S., Rishton, S., Lee, K. Y., & Lee, Y. (1997). Room temperature operation of a quantum-dot flash memory. IEEE Electron Device Letters. https://doi.org/10.1109/55.585357
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
