Effect of oxidation pressure on the characteristics of fluorinated thin gate oxides prepared by room temperature deposition followed by rapid thermal oxidation

  • Kuo Lang Yeh*
  • , Ming Jer Jeng
  • , Jenn Gwo Hwu
  • *Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

Abstract

Room temperature liquid phase deposition (LPD) followed by rapid thermal oxidation (RTO) was used to prepare thin fluorinated oxides (LPD/RTO). Both atmosphere (760 torr) and low pressure (600 torr) rapid thermal oxidation, i.e., ARTO and LRTO, respectively, were examined. It was found that the best LPD/ARTO oxide exhibited enhanced charge-to breakdown QBD but degraded oxide breakdown field EBD. However, when the oxidation pressure was reduced, the best LPD/LRTO oxide exhibited improved characteristics in both QBD and EBD. It is supposed that the fixed oxide charge distribution in thin oxides plays an important role in characterizing the time-zero dielectric breakdown (TZDB) behavior. Furthermore, both the LPD time and the following RTO pressure and time can be used to control the fluorine content or the charge distribution in LPD/RTO oxides.

Original languageEnglish
Pages (from-to)539-545
Number of pages7
JournalProceedings of the National Science Council, Republic of China, Part A: Physical Science and Engineering
Volume22
Issue number4
StatePublished - 07 1998
Externally publishedYes

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