Intraband spectroscopy of self-organized InAs/InAlAs nanostructures grown on InP(0 0 1)

F. Fossard, A. Helman, F. H. Julien, M. Gendry, J. Brault, E. Péronne, A. Alexandrou, S. E. Schacham, E. Finkman

Research output: Contribution to journalConference articlepeer-review

4 Scopus citations

Abstract

InAs nanostructures on InAlAs/InP(0 0 1) have been fabricated using Stranski-Krastanov growth mode. Depending on growth conditions, a full coverage of the InAlAs surface by either InAs strings of elongated dots or isolated dots can be achieved. Giant intraband absorptions are observed at mid-infrared wavelengths in both nanostructures. The intraband resonances are strongly polarized in the layer plane as a consequence of the quantum confinement along either [1 1 0] and [1 - 10] directions.

Original languageEnglish
Pages (from-to)82-83
Number of pages2
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Volume17
Issue number1-4
DOIs
StatePublished - Apr 2003
EventProceedings pf the International Conference on Superlattices - ICSNN 2002 - Touluse, France
Duration: 22 Jul 200226 Jul 2002

Keywords

  • III-V semiconductors
  • Intraband transitions
  • Quantum dots
  • Quantum wires

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