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High-performance SiGe MODFET technology

  • S. J. Koester
  • , J. O. Chu
  • , K. L. Saenger
  • , Q. C. Ouyang
  • , J. A. Ott
  • , D. F. Canaperi
  • , J. A. Tornello
  • , C. V. Jahnes
  • , S. E. Steen

Research output: Contribution to journalConference articlepeer-review

Abstract

An overview of SiGe modulation-doped field-effect transistor (MODFET) technology is provided. The layer structures and mobility enhancements for both p- and n-channel modulation-doped quantum wells are described and compared to mobilities in Si/SiO 2 inversion layers. Next, previous results on high-performance n- and p-MODFETs fabricated at IBM and elsewhere are reviewed, followed by recent results on laterally-scaled Si/SiGe n-MODFETs with gate lengths as small as 70 nm. We conclude with a discussion of the materials issues for the future vertical and lateral scaling of SiGe MODFETs.

Original languageEnglish (US)
Pages (from-to)171-179
Number of pages9
JournalMaterials Research Society Symposium Proceedings
Volume809
StatePublished - Dec 1 2004
EventHigh-Mobility Group-IV Materials and Devices - San Francisco, CA, United States
Duration: Apr 13 2004Apr 15 2004

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