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

58 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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