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High-speed resonant-tunneling diodes made from the In0.53Ga0.47As/AlAs material system

  • Elliott R. Brown
  • , C. D. Parker
  • , Arthur R. Calawa
  • , M. J. Manfra
  • , T. C. L. Gerh Sollner
  • , Chang Lee Chen
  • , Stella W. Pang
  • , K. M. Molvar

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

Abstract

New double-barrier resonant-tunneling diodes have been fabricated in the pseudomorphic In0.53Ga0.47As/AlAs material system that have peak current densities exceeding 1×105 A cm-2 and peak-to-valley current ratios of approximately 10 at room temperature. One of these diodes yielded oscillations up to 125 GHz, but did not oscillate at higher frequencies because of a large device capacitance. A device with a much lower capacitance is estimated to have a maximum oscillation frequency of 932 GHz and a voltage rise time of 1.5 ps in switching from the peak bias point to the valley bias point. Other reported In0.53Ga0.47As/AlAs diodes are analyzed and yield theoretical maximum oscillation frequencies over 1 THz and rise times as low as 0.3 ps.
Original languageEnglish
Title of host publicationHigh-Speed Electronics and Device Scaling
EditorsLester Fuess Eastman
PublisherSPIE
Pages122-135
ISBN (Print)819403393, 9780819403391
DOIs
Publication statusPublished - 1 Aug 1990
Externally publishedYes
EventSPIE Symposium on Advances in Semiconductors and Superconductors: Physics Toward Devices Applications - San Diego, CA, United States
Duration: 17 Mar 1990 → 21 Mar 1990

Publication series

NameProceedings of SPIE
Volume1288
ISSN (Electronic)0277-786X

Conference

ConferenceSPIE Symposium on Advances in Semiconductors and Superconductors: Physics Toward Devices Applications
PlaceUnited States
CitySan Diego, CA
Period17/03/90 → 21/03/90

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