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Experimental observation of persistent currents in GaAs−GaAlAs single loops

  • C. Chapelier
  • D. Mailly
  • A. Benoit
Chapter
Part of the Advances in Solid State Physics book series (ASSP, volume 34)

Abstract

We have detected the presence of persistent currents of about 4 nA in a mesoscopic single loop etched in a GaAs-GaAlAs heterojunction. For this purpose a dedicated device with an integrated DC-SQUID has been developed.

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Copyright information

© Friedr. Vieweg & Sohn Verlagsgesellschaft mbH 1995

Authors and Affiliations

  • C. Chapelier
    • 1
  • D. Mailly
    • 2
  • A. Benoit
    • 3
  1. 1.Servive de Physique Statistique, Magnétisme et Supraconductivité Commissariat à l'Energie AtomiqueFrance
  2. 2.Laboratoire de Microstructures et de Microélectronique Centre National de la Recherche Scientifique-Bagneux-FranceFrance
  3. 3.Centre de Recherche sur les Très Basses Températures Centre National de la Recherche Scientifique-Grenoble-FranceFrance

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