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Magneto-Absorption in a Hg1−xMnx Te-CdTe Superlattice: Evidence of the Exchange Interaction in a Semimagnetic Semiconducting Superlattice

  • G. S. Boebinger
  • Y. Guldner
  • J. M. Berroir
  • M. Voos
  • J. P. Vieren
  • J. P. Faurie
Part of the NATO ASI Series book series (NSSB, volume 206)

Abstract

We discuss far-infrared magneto-absorption experiments performed on a Hgos5Mnoo4Te-CdTe superlattice over a temperature range from 1.5 to 10 K. The results are interpreted from superlattice band-structure calculations which include the magnetic field. The temperature dependence of the cyclotron resonance and interband transitions show evidence of the exchange interaction between the localized Mn d-electrons and the conduction band electrons in this semimagnetic semiconducting superlattice. We also discuss very recent results which appear to resolve the valence-band offset dilemma in HgTe-CdTe superlattices and the impact of those results on our interpretation of the magneto-absorption data.

Keywords

Cyclotron Resonance Landau Level Interband Transition Band Structure Calculation Conduction Band Electron 
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Copyright information

© Springer Science+Business Media New York 1989

Authors and Affiliations

  • G. S. Boebinger
    • 1
  • Y. Guldner
    • 2
  • J. M. Berroir
    • 2
  • M. Voos
    • 2
  • J. P. Vieren
    • 2
  • J. P. Faurie
    • 3
  1. 1.AT&T Bell LaboratoriesMurray HillUSA
  2. 2.Groupe de Physique des Solides de l’Ecole Normale SuperieureParisFrance
  3. 3.Department of PhysicsUniversity of Illinois at ChicagoChicagoUSA

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