Design optimization of Si/Ge-based heterojunction arch-shaped gate-all-around (GAA) tunneling field-effect transistor (TFET) which applicable for future mobile communication systems

Jae Hwa Seo, Young Jun Yoon, Ra Hee Kwon, Young In Jang, In Man Kang

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

1 Scopus citations

Abstract

A Si/Ge-based heterojunction arch-shaped gate-all-around (GAA) tunneling field-effect transistor (TFET) which applicable for future mobile communication systems has been design and analyzed. Based on our previous work, which investigate Si-based arch-shaped GAA TFET, a Si/Ge heterojunction structure is adopted for engineering the tunneling bandgap. The epitaxially grown channel thickness (tepi) and source height under the gate region (Hsource) are selected as simulation variables. By this variables, we can optimize on-state current (Ion) with subthreshold swing (S) characteristics which are affected by tunneling regions. The designed Si/Ge-based heterojunction arch-shaped GAA TFET demonstrate Ion of 14.6 A/mm, S of 28.5 mV/dec, and threshold voltage (Vt) of 0.12 V.

Original languageEnglish
Title of host publication30th International Conference on Information Networking, ICOIN 2016
PublisherIEEE Computer Society
Pages442-444
Number of pages3
ISBN (Electronic)9781509017249
DOIs
StatePublished - 7 Mar 2016
Event30th International Conference on Information Networking, ICOIN 2016 - Kota Kinabalu, Malaysia
Duration: 13 Jan 201615 Jan 2016

Publication series

NameInternational Conference on Information Networking
Volume2016-March
ISSN (Print)1976-7684

Conference

Conference30th International Conference on Information Networking, ICOIN 2016
Country/TerritoryMalaysia
CityKota Kinabalu
Period13/01/1615/01/16

Keywords

  • arch-shaped
  • gate-all-around
  • low-power
  • mobile communication systems
  • Silicon/Germanium heterojunction
  • TFET
  • wearable devices

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