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On the formation of solid state crystallized intrinsic polycrystalline germanium thin films

  • Zhiguo Meng
  • , Zhonghe Jin
  • , Gururaj A. Bhat
  • , Paul Chu
  • , Hoi S. Kwok
  • , Man Wong

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Abstract

    A two-step heat treatment process has been employed to crystallize low pressure deposited thin films of amorphous germanium. Large grain p-type polycrystalline germanium with a Hall effect hole mobility of greater than 300 cm2/Vs has been obtained. Films with near intrinsic conductivity, necessary for the construction of practical enhancement-mode insulated-gate thin film transistors, were obtained by introducing phosphorus as a compensating dopant. High Hall effect electron mobility of 245 cm2/Vs has been measured on the resulting n-type polycrystalline germanium thin films.
    Original languageEnglish
    Pages (from-to)2548-2551
    JournalJournal of Materials Research
    Volume12
    Issue number10
    DOIs
    Publication statusPublished - Oct 1997

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 7 - Affordable and Clean Energy
      SDG 7 Affordable and Clean Energy

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