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Prospects for ferroelectric HfZrOx FETs with experimentally CET=0.98nm, SSfor=42mV/dec, SSrev=28mV/dec, switch-off <0.2V, and hysteresis-free strategies

  • M. H. Lee
  • , P. G. Chen
  • , C. Liu
  • , K. Y. Chu
  • , C. C. Cheng
  • , M. J. Xie
  • , S. N. Liu
  • , J. W. Lee
  • , S. J. Huang
  • , M. H. Liao
  • , M. Tang
  • , K. S. Li
  • , M. C. Chen

研究成果: 書貢獻/報告類型會議論文篇章

96   !!Link opens in a new tab 引文 斯高帕斯(Scopus)

摘要

Ferroelectric HfZrOx (FE-HZO) FETs is experimentally demonstrated with 0.98nm CET (capacitance equivalent thickness), small hysteresis window VT (threshold voltage) shift < 0.1V, SSfor = 42mV/dec, SSrev = 28mV/dec, and switch-off < 0.2V. The optimum ALD process leads single monolayer SiOx for IL (interfacial layer) and low gate leakage current. The FE-HZO FETs is operated at room temperature and 150K to obtain beyond the physical limitation of Boltzmann tyranny, and the extracted body factors are m = 0.67 and m = 0.89 for Vds = 0.1 and 0.5 V, respectively, to confirm the negative capacitance (NC) effect. There are two proposed strategies to reach hysteresis-free, including FE-HZO/epi-Ge/Si FETs with experimentally VT shift 3mV in hysteresis window, and 3nm-thick FE-HZO resulting hysteresis-free and sub-0.2V switching by numerical simulation.

原文英語
主出版物標題2015 IEEE International Electron Devices Meeting, IEDM 2015
發行者Institute of Electrical and Electronics Engineers Inc.
頁面22.5.1-22.5.4
ISBN(電子)9781467398930
DOIs
出版狀態已發佈 - 2015 2月 16
事件61st IEEE International Electron Devices Meeting, IEDM 2015 - Washington, 美国
持續時間: 2015 12月 72015 12月 9

出版系列

名字Technical Digest - International Electron Devices Meeting, IEDM
2016-February
ISSN(列印)0163-1918

其他

其他61st IEEE International Electron Devices Meeting, IEDM 2015
國家/地區美国
城市Washington
期間2015/12/072015/12/09

ASJC Scopus subject areas

  • 電子、光磁材料
  • 凝聚態物理學
  • 電氣與電子工程
  • 材料化學

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