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Control by an electric field of electron-hole separation in type-II heterostructures

  • Yu B. Vasilyev
  • , V. A. Solov'ev
  • , B. Ya Mel'tser
  • , A. N. Semenov
  • , M. V. Baidakova
  • , S. V. Ivanov
  • , P. S. Kop'ev
  • , E. E. Mendez
  • , Y. Lin
  • Ioffe Physical-Technical Institute
  • Stony Brook University

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

We report the realization of multi-period devices in which each period consists of two-dimensional electron and hole layers whose effective distance is controlled by an external bias. The current-voltage characteristics of devices based on InAs/AlxGa1-xAsSb/Al0.1Ga0.9AsSb type-II quantum well structures show a behavior that is consistent with a predicted enhancement of the radiative recombination in this type of devices at T = 77 K. We have found that increasing the number of periods and decreasing the operating temperature considerably improves the electrical performance of the devices.

Original languageEnglish
Pages (from-to)323-326
Number of pages4
JournalSolid State Communications
Volume124
Issue number9
DOIs
StatePublished - Nov 2002

Keywords

  • A. Nanostructures
  • B. Epitaxy
  • D. Electronic transport

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