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Magnetic properties of GaMnAs single layers and GaInMnAs superlattices investigated at low temperature and high magnetic field

Författare:
  • C Hernandez
  • F Terki
  • S Charar
  • Janusz Sadowski
  • D Maude
  • V Stanciu
  • P Svedlindh
Publiceringsår: 2003
Språk: Engelska
Sidor: 613-619
Publikation/Tidskrift/Serie: Acta Physica Polonica. Series A: General Physics, Physics of Condensed Matter, Optics and Quantum Electronics, Atomic and Molecular Physics, Applied Physics
Volym: 103
Nummer: 6
Dokumenttyp: Artikel i tidskrift
Förlag: Institute of Physics, Polish Academy of Sciences

Sammanfattning

Magnetotransport properties of GaMnAs single layers and InGaMnAs/ InGaAs superlattice structures were investigated at temperatures from 4 K to 300 K and magnetic fields up to 23 T to study the influence of carriers confinement through different structures. Both single layers and superlattice structures show paramagnetic-to-ferromagnetic phase transition. In GaMnAs/InGaAs superlattice beside the Curie temperature (T-c approximate to 40 K), a new phase transition is observed close to 13 K.

Nyckelord

  • Natural Sciences
  • Physical Sciences

Övriga

Published
  • ISSN: 0587-4246

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