Experimental verification on the origin of plateau-like current-voltage characteristics of resonant tunneling diodes

  • Z. J. Qiu*
  • , Y. S. Gui
  • , S. L. Guo
  • , N. Dai
  • , J. H. Chu
  • , X. X. Zhang
  • , Y. P. Zeng
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

The current-voltage characteristics of GaAs-based resonant tunneling diodes were investigated in the presence of a perpendicular magnetic field. It was observed that the electron resonant tunneling was strongly suppressed by the applied magnetic field. The current instability were also observed in the negative differential resistance (NDR) and was attributed to current oscillations between device and external circuit. It was found that the plateau-like structures were due to the coupling between the energy levels in the emitter well and in the main quantum well.

Original languageEnglish
Pages (from-to)1961-1963
Number of pages3
JournalApplied Physics Letters
Volume84
Issue number11
DOIs
StatePublished - 15 Mar 2004
Externally publishedYes

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