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Type I-type II transition in InGaAs-GaNAs heterostructures

  • C. Schlichenmaier
  • , H. Grüning
  • , A. Thränhardt
  • , P. J. Klar
  • , B. Kunert
  • , K. Volz
  • , W. Stolz
  • , W. Heimbrodt
  • , T. Meier
  • , S. W. Koch
  • , J. Hader
  • , J. V. Moloney

Research output: Contribution to journalArticlepeer-review

Abstract

Optical interband transitions in a series of In0.23 Ga0.77 As-Ga Nx As1-x quantum well samples are investigated. For changing nitrogen content, a type I-type II transition is identified by a detailed analysis of photoluminescence and photoreflectance spectra. Experimental results are compared systematically with spectra calculated by a microscopic theory. A valence band offset parameter of (1.5±0.5) eV is extracted for this heterostructure system.

Original languageEnglish (US)
Article number081903
Pages (from-to)1-3
Number of pages3
JournalApplied Physics Letters
Volume86
Issue number8
DOIs
StatePublished - Feb 21 2005

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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