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GaAs-MnAs nanowires

  • Janusz Sadowski (Dr)
  • Aloyzas Siusys
  • Andras Kovacs
  • Takeshi Kasama
  • Rafal E. Dunin-Borkowski
  • Tomasz Wojciechowski
  • Anna Reszka
  • Bogdan Kowalski
Publiceringsår: 2011
Språk: Engelska
Sidor: 1576-1580
Publikation/Tidskrift/Serie: Physica status solidi (b)
Volym: 248
Nummer: 7
Dokumenttyp: Artikel
Förlag: Wiley-Blackwell Publishing, Inc


Different strategies for obtaining nanowires (NWs) with ferromagnetic properties using the molecular beam epitaxy (MBE) grown nanostructures combining GaAs and Mn were investigated. Four types of structures have been studied: (i) self-catalyzed GaAs: Mn NWs grown at low temperatures on GaAs(100) substrates; (ii) GaAs: Mn NWs grown at high temperatures on Si(100) substrates; (iii) GaAs-GaMnAs core-shell NW structures; (iv) GaAs-MnAs core-shell NW structures grown on Si(100). Structures of types (i), (iii), and (iv) exhibit ferromagnetic properties. Right: Scanning electron microscopy image of Mn doped GaAs NWs with Ga droplets at the tops, grown by MBE on oxidized Si(100) substrate in the autocatalytic growth mode. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim



  • Physics and Astronomy
  • ferromagnetic semiconductors
  • molecular beam epitaxy
  • nanowires


  • ISSN: 0370-1972

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