Electrical properties of plasma-grown gate oxides on tensile-strained Si1-yCy alloy

  • R. Mahapatra
  • , S. Maikap
  • , G. S. Kar
  • , S. K. Ray*
  • *Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

1 Scopus citations

Abstract

Growth of gate-quality ultrathin (< 100 Å) oxides directly on tensile-strained Si1-yCy alloy layers has been investigated using microwave O2-plasma discharge. The electrical properties of oxide grown on an Si0.993C0.007 layer have been studied using a metal-oxide-semiconductor structure. Fixed oxide charge density and mid-gap interface state density are found to be 2.5 × 1011 cm-2 and 2.0 × 1011 cm-2 eV-1, respectively. Oxide film exhibits hole trapping behaviour under Fowler-Nordheim constant current stressing.

Original languageEnglish
Pages (from-to)1000-1001
Number of pages2
JournalElectronics Letters
Volume38
Issue number17
DOIs
StatePublished - 15 08 2002
Externally publishedYes

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