High-performance Ni23TaN metal-insulator-metal capacitors

Somnath Mondal*, Tung Ming Pan

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

21 Scopus citations

Abstract

We fabricate the NiLu2O3 TaN metal-insulator-metal capacitor with a high capacitance density of 7.5 fFmum2, a relatively small quadratic voltage coefficient of capacitance (VCC) of 75 ppm/V}2, a low leakage current of 5times 10-8 Acm}2 at -1 V, and an excellent ten-year reliability with a very low \Delta C/C of 0.51% at 3 V. These small VCC value and good reliability are attributed to a reduction of carrier injection and trapping into the dielectric.

Original languageEnglish
Article number5993495
Pages (from-to)1576-1578
Number of pages3
JournalIEEE Electron Device Letters
Volume32
Issue number11
DOIs
StatePublished - 11 2011

Keywords

  • Lu
  • Metal-insulator-metal (MIM)
  • Ni
  • Reliability
  • TaN

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