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Determination of generation lifetime in intrinsic polycrystalline silicon

  • P. K. Hurley
  • , S. Taylor
  • , W. Eccleston
  • , D. Meakin

Research output: Contribution to journalArticlepeer-review

Abstract

A simple two-terminal method is described for the determination of generation lifetime in intrinsic polycrystalline silicon suitable for thin-film transistor applications using a metal/SiO2 /polycrystalline silicon/n-type silicon test structure. The method consists of monitoring the high-frequency capacitance of the test structure after the application of a voltage pulse of the correct polarity to cause deep depletion in the n-type substrate. Generation lifetimes of 34 ps to 19 ns are obtained for polycrystalline silicon films of varying grain size.

Original languageEnglish
Pages (from-to)1525-1527
Number of pages3
JournalApplied Physics Letters
Volume54
Issue number16
DOIs
Publication statusPublished - 1989
Externally publishedYes

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