Charge transport mechanism in metal-nitride-oxide-silicon structures

  • K. A. Nasyrov
  • , V. A. Gritsenko
  • , M. K. Kim
  • , H. S. Chae
  • , S. D. Chae
  • , W. I. Ryu
  • , J. H. Sok
  • , J. W. Lee
  • , B. M. Kim

Research output: Contribution to journalLetterpeer-review

60 Scopus citations

Abstract

A charge transport mechanism in double oxide-nitride dielectric was studied experimentally and theoretically. We have found that widely accepted Frenkel effect or thermally assisted tunneling could not explain experimental current-field-temperature dependences. For the first time we demonstrate that ionization mechanism of deep traps, which control charge transport in silicon nitride, is due to multiphonon process.

Original languageEnglish
Pages (from-to)336-338
Number of pages3
JournalIEEE Electron Device Letters
Volume23
Issue number6
DOIs
StatePublished - Jun 2002

Keywords

  • Dielectric materials
  • EEPROM
  • MNOS devices
  • Silicon nitride
  • Trap

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