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Correlation between gate length, geometry and electrostatic driven performance in ultra-scaled silicon nanowire transistors

  • Talib Al-Ameri
  • , Y. Wang
  • , V. P. Georgiev
  • , F. Adamu-Lema
  • , X. Wang
  • , A. Asenov

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

In this work we have investigated the impact of quantum mechanical effects on the device performance of n-type silicon nanowire transistors (NWT) for possible future applications. For the purpose of this paper we have simulated Si NWTs with six different cross-section shapes. However for all devices the cross-sectional area is kept constant in order to provide fair comparison. Additionally we have expanded the computational experiment by including different gate length and gate materials for each of these six Si NWTs. As a result we have established a correlation between the mobile charge distribution in the channel and gate capacitance, drain induced barrier lowering (DIBL) and the sub-threshold slope (SS). The mobile charge to gate capacitance ratio, which is an indicator of the intrinsic speed of the NWTs, is also have been investigated. More importantly all calculations are based on quantum mechanical description of the mobile charge distribution in the channel. This description is based on Schrodinger equation, which is indeed mandatory for nanowires with such ultra-scale dimensions.

源语言英语
主期刊名2015 IEEE Nanotechnology Materials and Devices Conference, NMDC 2015
出版商Institute of Electrical and Electronics Engineers Inc.
ISBN(电子版)9781467393621
DOI
出版状态已出版 - 22 3月 2016
已对外发布
活动10th IEEE Nanotechnology Materials and Devices Conference, NMDC 2015 - Anchorage, 美国
期限: 12 9月 201516 9月 2015

出版系列

姓名2015 IEEE Nanotechnology Materials and Devices Conference, NMDC 2015

会议

会议10th IEEE Nanotechnology Materials and Devices Conference, NMDC 2015
国家/地区美国
Anchorage
时期12/09/1516/09/15

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