中国物理B ›› 2013, Vol. 22 ›› Issue (3): 38501-038501.doi: 10.1088/1674-1056/22/3/038501

• INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY • 上一篇    下一篇

Two-dimensional threshold voltage model of nanoscale silicon-on-insulator tunneling field-effect transistor

李妤晨, 张鹤鸣, 张玉明, 胡辉勇, 王斌, 娄永乐, 周春宇   

  1. Key Laboratory for Wide Band-Gap Semiconductor Materials and Devices, School of Microelectronics, Xidian University, Xi'an 710071, China
  • 收稿日期:2012-05-08 修回日期:2012-08-15 出版日期:2013-02-01 发布日期:2013-02-01
  • 基金资助:
    Project supported by the National Ministries and Commissions, China (Grant Nos. 51308040203 and 6139801), the Fundamental Research Funds for the Central Universities, China (Grant Nos. 72105499 and 72104089), and the Natural Science Basic Research Plan in Shaanxi Province, China (Grant No. 2010JQ8008).

Two-dimensional threshold voltage model of nanoscale silicon-on-insulator tunneling field-effect transistor

Li Yu-Chen (李妤晨), Zhang He-Ming (张鹤鸣), Zhang Yu-Ming (张玉明), Hu Hui-Yong (胡辉勇), Wang Bin (王斌), Lou Yong-Le (娄永乐), Zhou Chun-Yu (周春宇)   

  1. Key Laboratory for Wide Band-Gap Semiconductor Materials and Devices, School of Microelectronics, Xidian University, Xi'an 710071, China
  • Received:2012-05-08 Revised:2012-08-15 Online:2013-02-01 Published:2013-02-01
  • Contact: Li Yu-Chen E-mail:yuchenlee09@gmail.com
  • Supported by:
    Project supported by the National Ministries and Commissions, China (Grant Nos. 51308040203 and 6139801), the Fundamental Research Funds for the Central Universities, China (Grant Nos. 72105499 and 72104089), and the Natural Science Basic Research Plan in Shaanxi Province, China (Grant No. 2010JQ8008).

摘要: The tunneling field-effect transistor (TFET) is a potential candidate for the post-CMOS era. In this paper, a threshold voltage model is developed for this new kind of device. First, two-dimensional (2D) models are used to describe the distributions of potential and electric field in the channel and two depletion regions. Then based on the physical definition of threshold voltage for the nanoscale TFET, the threshold voltage model is developed. The accuracy of the proposed model is verified by comparing the calculated results with the 2D device simulation data. It has been demonstrated that the effects of varying the device parameters can easily be investigated using the model presented in this paper. This threshold voltage model provides a valuable reference to the TFET device design, simulation, and fabrication.

关键词: tunnel field-effect transistor, band-to-band tunneling, subthreshold swing, gated P-I-N diode

Abstract: The tunneling field-effect transistor (TFET) is a potential candidate for the post-CMOS era. In this paper, a threshold voltage model is developed for this new kind of device. First, two-dimensional (2D) models are used to describe the distributions of potential and electric field in the channel and two depletion regions. Then based on the physical definition of threshold voltage for the nanoscale TFET, the threshold voltage model is developed. The accuracy of the proposed model is verified by comparing the calculated results with the 2D device simulation data. It has been demonstrated that the effects of varying the device parameters can easily be investigated using the model presented in this paper. This threshold voltage model provides a valuable reference to the TFET device design, simulation, and fabrication.

Key words: tunnel field-effect transistor, band-to-band tunneling, subthreshold swing, gated P-I-N diode

中图分类号:  (Semiconductor-device characterization, design, and modeling)

  • 85.30.De
85.30.Mn (Junction breakdown and tunneling devices (including resonance tunneling devices))