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Ferroelectric HfZrOx FETs on SOI Substrate With Reverse-DIBL (Drain-Induced Barrier Lowering) and NDR (Negative Differential Resistance)

  • Kuan Ting Chen
  • , Siang Sheng Gu
  • , Zheng Ying Wang
  • , Chun Yu Liao
  • , Yu Chen Chou
  • , Ruo Chun Hong
  • , Shih Yao Chen
  • , Hong Yu Chen
  • , Gao Yu Siang
  • , Chieh Lo
  • , Pin Guang Chen
  • , M. H. Liao
  • , Kai Shin Li
  • , Shu Tong Chang
  • , Min Hung Lee*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Ferroelectric-Hf1−xZrxO2 FETs on silicon on insulator (SOI) are modeled and demonstrated with improvement on subthreshold swing (SS) and hysteresis (VT-shift), which is based on the capacitance matching concept. The minimum reverse SS = 45 mV/dec and 52 mV/dec are obtained experimentally for SOI and bulk-Si, respectively. The steep SS range (<60 mV/dec) is extended from ∼2.5 (bulk-Si) decades to ∼3.5 decades SOI. Reverse-drain-induced barrier lowering and negative differential resistance are confirmed at subthreshold region and weak inversion region, respectively.

Original languageEnglish
Pages (from-to)900-904
Number of pages5
JournalIEEE Journal of the Electron Devices Society
Volume6
DOIs
Publication statusPublished - 2018

Keywords

  • Ferroelectric
  • negative differential resistance

ASJC Scopus subject areas

  • Biotechnology
  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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