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Evidence for trap-limited transport in the subthreshold conduction regime of chalcogenide glasses
Abstract
The study of the temperature dependence of subthreshold conduction in amorphous chalcogenide materials reveals a voltage dependent activation energy, which can be attributed to trap-limited conduction. The authors find that the features of subthreshold conduction regime (subthreshold slope and activation energy) can be quantitatively explained by a simple conduction model for Poole-Frenkel transport in the presence of a high concentration of traps. This analysis allows for an accurate prediction of the temperature and voltage dependence of subthreshold current in amorphous chalcogenides, and offers a simple scheme for estimating the average distance between traps in the disordered material.
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Citations
Cited by
Phase Change Materials and Their Application to Nonvolatile Memories
Raoux, S., Wełnic, W., & Ielmini, D. (2010) · Chemical Reviews · doi:10.1021/cr900040x · Cited by 873
Self-citationIelmini, D. (2008) · Physical Review B · doi:10.1103/physrevb.78.035308 · Cited by 377
Self-citationStatistics of Resistance Drift Due to Structural Relaxation in Phase-Change Memory Arrays
Boniardi, M., Ielmini, D., Lavizzari, S., Lacaita, A. L., Redael, A., & Pirovano, A. (2010) · IEEE Transactions on Electron Devices · doi:10.1109/ted.2010.2058771 · Cited by 106
Self-citationLavizzari, S., Ielmini, D., Sharma, D., & Lacaita, A. L. (2009) · IEEE Transactions on Electron Devices · doi:10.1109/ted.2009.2016398 · Cited by 74
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Metadata
- Authors
- Ielmini, D., & Zhang, Y.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2007-05-07
- Volume
- 90
- Issue
- 19
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2069394095
- Cited by
- 202
- References
- 0
- FWCI
- 7.13
- Type
- journal article
- Language
- en
- Open access
- closed
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- Ielmini, D., & Zhang, Y. (2007). Evidence for trap-limited transport in the subthreshold conduction regime of chalcogenide glasses. Applied Physics Letters. https://doi.org/10.1063/1.2737137
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