Tristate Memory Cells Using Double-Peaked Fin-Array III-V Tunnel Diodes Monolithically Grown on (001) Silicon Substrates

Yu Han*, Qiang Li, Kei May Lau

*Corresponding author for this work

Research output: Contribution to journalJournal Articlepeer-review

8 Citations (Scopus)

Abstract

We demonstrate functional tristate memory cells using multipeaked GaAs/InGaAs fin-array tunnel diodes grown on exact (001) Si substrates. On-chip connection of single-peaked tunnel diode arrays produces I-V characteristics with multiple negative-differential resistance regions. We designed and fabricated two types of tristate memory cells. In one design, a double-peaked tunnel diode was used as the drive, and a reverse-biased single-peaked tunnel diode was used as the load. In the other design, the tristate memory cell was realized by the series connection of two forward-biased single-peaked tunnel diodes.

Original languageEnglish
Article number8012489
Pages (from-to)4078-4083
Number of pages6
JournalIEEE Transactions on Electron Devices
Volume64
Issue number10
DOIs
Publication statusPublished - Oct 2017

Bibliographical note

Publisher Copyright:
© 1963-2012 IEEE.

Keywords

  • GaAs fin-array
  • memory cell
  • multivalued logic
  • tunnel diodes

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