Thirunavukkarasu, V. et al. (2019) Efficient Coupled-mode space based Non-Equilibrium Green’s Function Approach for Modeling Quantum Transport and Variability in Vertically Stacked SiNW FETs. In: 2019 International Conference on Simulation of Semiconductor Processes and Devices (SISPAD), Udine, Italy, 4-6 Sept. 2019, ISBN 9781728109404 (doi: 10.1109/SISPAD.2019.8870400)
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Abstract
In this paper we present state of the art coupled-mode space based Non-Equilibrium Green Function approach for modeling quantum transport accurately in the vertically stacked Silicon nanowire (SiNW) FETs. Random discrete dopants (RDD) and metal grain granularity (MGG) induced variability in stacked SiNW FETs are also investigated. Furthermore, charge spectrum, current spectrum w.r.t. sub bands and the space-resolved Local Density of States (LDOS) corresponding to the location of band edge are analyzed in detail. The newly developed flexible and computationally efficient models implemented in quantum transport simulation tool NESS provides valuable insights on the effect of RDD and MGG variability on Sub-Threshold Swing (SS), Threshold Voltage (V TH ) shift, On/Off Current (I ON /I OFF ) ratio and quantum confined charge transport mechanism.
| Item Type: | Conference Proceedings |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Dutta, Dr Tapas and Carrillo-Nunez, Dr Hamilton and Asenov, Professor Asen and Berrada, Dr Salim and Thirunavukkarasu, Dr Vasanthan and Badami, Mr Oves and Georgiev, Professor Vihar and Adamu-Lema, Dr Fikru |
| Authors: | Thirunavukkarasu, V., Carrillo-Nunez, H., Adamu-Lema, F., Berrada, S., Badami, O., Medina-Bailón, C., Dutta, T., Lee, J., Guen, Y., Georgiev, V., and Asenov, A. |
| College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
| Research Group: | Device Modeling Group |
| ISSN: | 1946-1577 |
| ISBN: | 9781728109404 |
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