Scanning probe oxidation of SiC, fabrication possibilities and kinetics considerations

M. Lorenzoni, Bruno Torre

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

We report the outcome of atomic force microscopy local anodic oxidation experiments on 6H-SiC in air. Oxide thickness can be easily tuned by varying applied voltage and pulse duration. The height and the aspect ratio of single dots produced by single DC pulses are remarkably higher than what was reported previously, with self limiting heights exceeding 100 nm. We propose that the diminished density and the change in chemical composition of the oxide grown on SiC with respect to oxide grown under similar condition on Si cause a drop in the activation energy of oxanions diffusion within the newly formed oxide layer.

Original languageEnglish (US)
Article number163109
JournalApplied Physics Letters
Volume103
Issue number16
DOIs
StatePublished - Oct 14 2013

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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