Effect of PMA on effective fixed charge in thermally grown oxide on 6H-SiC

  • Yan Shi
  • , Yanbin Luo
  • , J. Campi
  • , Feng Yan
  • , Yong K. Lee
  • , Jian H. Zhao

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The effect of post-metallisation annealing (PMA) on the effective fixed charge in thermally grown SiO2 on 6H-SiC has been systematically studied. It is found that under a carefully controlled and optimised PMA condition, it is possible to reduce the effective fixed charge density for both p-type and n-type samples. The study covers an annealing temperature range 400-600°C in forming gas (5% hydrogen in nitrogen) for both p-type and n-type 6H-SiC. The optimum annealing conditions are reported.

Original languageEnglish
Pages (from-to)698-700
Number of pages3
JournalElectronics Letters
Volume34
Issue number7
DOIs
StatePublished - 2 Apr 1998

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