Predicting radiation response from process parameters: verification of a physically based predictive model

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We evaluate the hole trapping response of twentytwo oxides subjected to twenty-two different sets of processing parameters. The oxides were prepared in three different facilities, the Harris Semiconductor-Intersil Palm Bay facility, the former Naval Research and Development Laboratory (NRAD) 4 facility, and the new SPA W AR 6 fabrication facility in San Diego, California. In twenty of the twenty-two cases, oxide hole trapping is almost completely determined by the highest processing temperature and is in reasonable agreement with a recently proposed physically based predictive model. We have also evaluated Si/SiO? interface trap (Djt) generation in a subset of four very simply processed oxides utilized in the hole trapping study. The D;t results are also in reasonable agreement with the recently proposed model. Our results indicate that it is possible to make reasonably accurate predictions of radiation response from processing parameters and that such predictions can be made with our current understanding of radiation damage phenomena. (It should be emphasi/cd that the current level of understanding is not yet complete. This work does not demonstrate that precise predictions involving all imaginable process parameters are possible.)

Original languageEnglish (US)
Pages (from-to)1534-1543
Number of pages10
JournalIEEE Transactions on Nuclear Science
Issue number6 PART 1
StatePublished - 1999

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • Electrical and Electronic Engineering


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