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Magnetotransport through nanoconstriction in ferromagnetic semiconductor (Ga,Mn)As

Författare:
  • T Figielski
  • T Wosinski
  • O Pelya
  • Janusz Sadowski (Dr)
  • A Morawski
  • A Makosa
  • W Dobrowolski
  • J Jagielski
  • J Wrobel
Publiceringsår: 2003
Språk: Engelska
Sidor: 525-531
Publikation/Tidskrift/Serie: Acta Physica Polonica A ( Proceedings of the XXXII International School on Physics of Semiconducting Compounds, Part 1)
Volym: 103
Nummer: 6
Dokumenttyp: Konferensbidrag
Förlag: POLISH ACAD SCIENCES INST PHYSICS

Sammanfattning

We studied narrow (submicron) constrictions in the layers of ferromagnetic semiconductor (Ga, Mn)As. We have demonstrated a contribution of the quantum localization effects to the magnetoresistance of the constricted samples. We have also found a negative contribution of a domain wall trapped in the constriction to the resistance, due presumably to the erasing of the localization effects by the domain wall.

Disputation

Nyckelord

  • Physics and Astronomy

Övriga

XXXII International School on Physics of Semiconducting Compounds
May 30--June 6, 2003
Jaszowiec, Poland
Published
Yes
  • ISSN: 0587-4246

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