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Atoms-to-circuits simulation investigation of CNT interconnects for next generation CMOS technology

  • Jaehyun Lee
  • , Jie Liang
  • , Salvatore M. Amoroso
  • , Toufik Sadi
  • , Liping Wang
  • , Flamen Asenov
  • , Andrew Pender
  • , Dave T. Reid
  • , Vihar P. Georgiev
  • , Campbell Millar
  • , Aida Todri-Sanial
  • , Asen Asenov

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

In this study, we suggest a hierarchical model to investigate the electrical performance of carbon nanotube (CNT)-based interconnects. From the density functional theory, we have obtained important physical parameters, which are used in TCAD simulators to obtain the RC netlists. We then use these RC netlists for the circuit-level simulations to optimize interconnect design in VLSI. Also, we have compared various CNT-based interconnects such as single-walled CNTs, multi-walled CNTs, doped CNTs, and Cu-CNT composites in terms of conductivity, ring oscillator delay, and propagation time delay.

Original languageEnglish
Title of host publication2017 International Conference on Simulation of Semiconductor Processes and Devices, SISPAD 2017
PublisherInstitute of Electrical and Electronics Engineers
Pages153-156
Number of pages4
ISBN (Electronic)9784863486102
DOIs
Publication statusPublished - 25 Oct 2017
Externally publishedYes
Event2017 International Conference on Simulation of Semiconductor Processes and Devices, SISPAD 2017 - Kamakura, Japan
Duration: 7 Sept 20179 Sept 2017

Conference

Conference2017 International Conference on Simulation of Semiconductor Processes and Devices, SISPAD 2017
Country/TerritoryJapan
CityKamakura
Period7/09/179/09/17

Bibliographical note

Funding Information:
IV. CONCLUSIONS We have presented a multiscale simulation flow to allow the design-technology co-optimization of CNT-based interconnect technologies. We have benchmarked CNT performances vs. Cu. We have demonstrated the impact of iodine doping and Cu-CNT composites on CNT interconnects performance ACKNOWLEDGMENT This work is supported by EU H2020 CONNECT project under grant agreement No. 688612, http://www.connecth2020.eu/.

Publisher Copyright:
© 2017 The Japan Society of Applied Physics.

Funding

IV. CONCLUSIONS We have presented a multiscale simulation flow to allow the design-technology co-optimization of CNT-based interconnect technologies. We have benchmarked CNT performances vs. Cu. We have demonstrated the impact of iodine doping and Cu-CNT composites on CNT interconnects performance ACKNOWLEDGMENT This work is supported by EU H2020 CONNECT project under grant agreement No. 688612, http://www.connecth2020.eu/.

Keywords

  • carbon nanotubes (CNTs)
  • circuit simulation
  • Cu-CNT composites
  • Density Functional Theory (DFT)
  • hierarchical models
  • interconnects

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