Modeling and performance analysis of MWCNT bundle interconnect based on state space method

To efficiently analyze the time-domain and frequency-domain characteristics of novel interconnects, this paper focuses on multi-walled carbon nanotube (MWCNT) bundle interconnects as the primary subject of research and proposes a state space model that is applicable to carbon nanotube interconnects,...

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Main Authors: Songjie Zhao, Fang Deng
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:Materials Research Express
Subjects:
Online Access:https://doi.org/10.1088/2053-1591/ada8fa
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author Songjie Zhao
Fang Deng
author_facet Songjie Zhao
Fang Deng
author_sort Songjie Zhao
collection DOAJ
description To efficiently analyze the time-domain and frequency-domain characteristics of novel interconnects, this paper focuses on multi-walled carbon nanotube (MWCNT) bundle interconnects as the primary subject of research and proposes a state space model that is applicable to carbon nanotube interconnects, graphene nanoribbon interconnects and various improved structures. Using the state space method, the equivalent circuit model of single MWCNT bundle interconnect that primarily adopts voltage-mode signaling (VMS) and current-mode signaling (CMS) is solved, respectively. Additionally, the transient output responses and frequency responses of the interconnect at local, intermediate, and global levels for 14 nm technology node are analyzed to evaluate the delay and 3 dB bandwidth performance for different modes. And the noise peak and power dissipation are also discussed. The proposed state space method is found to be highly accurate and effective by comparing with the simulation results from the SPICE environment in ADS and ABCD parameter matrix method. Furthermore, the method presented in this paper is suitable for solving multi-line coupled interconnects and can provide some meaningful theoretical guidance for analyzing the electrical characteristics of novel interconnects.
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spelling doaj-art-a1fd270bba7b44838c73e609c2a265672025-01-27T17:20:50ZengIOP PublishingMaterials Research Express2053-15912025-01-0112101500710.1088/2053-1591/ada8faModeling and performance analysis of MWCNT bundle interconnect based on state space methodSongjie Zhao0https://orcid.org/0000-0003-2255-244XFang Deng1https://orcid.org/0000-0003-0247-0594School of Electronics and Information, Guangdong Polytechnic Normal University , Guangzhou, 510450, People’s Republic of ChinaSchool of Mathematics and Statistics, North China University of Water Resources and Electric Power , Zhengzhou, 450045, People’s Republic of ChinaTo efficiently analyze the time-domain and frequency-domain characteristics of novel interconnects, this paper focuses on multi-walled carbon nanotube (MWCNT) bundle interconnects as the primary subject of research and proposes a state space model that is applicable to carbon nanotube interconnects, graphene nanoribbon interconnects and various improved structures. Using the state space method, the equivalent circuit model of single MWCNT bundle interconnect that primarily adopts voltage-mode signaling (VMS) and current-mode signaling (CMS) is solved, respectively. Additionally, the transient output responses and frequency responses of the interconnect at local, intermediate, and global levels for 14 nm technology node are analyzed to evaluate the delay and 3 dB bandwidth performance for different modes. And the noise peak and power dissipation are also discussed. The proposed state space method is found to be highly accurate and effective by comparing with the simulation results from the SPICE environment in ADS and ABCD parameter matrix method. Furthermore, the method presented in this paper is suitable for solving multi-line coupled interconnects and can provide some meaningful theoretical guidance for analyzing the electrical characteristics of novel interconnects.https://doi.org/10.1088/2053-1591/ada8faMWCNTinterconnectstate space methodvoltage-mode signalingcurrent-mode signaling
spellingShingle Songjie Zhao
Fang Deng
Modeling and performance analysis of MWCNT bundle interconnect based on state space method
Materials Research Express
MWCNT
interconnect
state space method
voltage-mode signaling
current-mode signaling
title Modeling and performance analysis of MWCNT bundle interconnect based on state space method
title_full Modeling and performance analysis of MWCNT bundle interconnect based on state space method
title_fullStr Modeling and performance analysis of MWCNT bundle interconnect based on state space method
title_full_unstemmed Modeling and performance analysis of MWCNT bundle interconnect based on state space method
title_short Modeling and performance analysis of MWCNT bundle interconnect based on state space method
title_sort modeling and performance analysis of mwcnt bundle interconnect based on state space method
topic MWCNT
interconnect
state space method
voltage-mode signaling
current-mode signaling
url https://doi.org/10.1088/2053-1591/ada8fa
work_keys_str_mv AT songjiezhao modelingandperformanceanalysisofmwcntbundleinterconnectbasedonstatespacemethod
AT fangdeng modelingandperformanceanalysisofmwcntbundleinterconnectbasedonstatespacemethod