Electrically defined ferromagnetic nanodots

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


While ferromagnetic nanodots are being widely studied from fundamental as well as application points of views, so far all the dots have been physically defined; once made, one cannot change their dimension or size. We show that ferromagnetic nanodots can be electrically defined. To realize this, we utilize an electric field to modulate the in-plane distribution of carriers in a ferromagnetic semiconductor (Ga,Mn)As film with a meshed gate structure having a large number of nanoscaled windows.

Original languageEnglish
Pages (from-to)4505-4508
Number of pages4
JournalNano Letters
Issue number11
Publication statusPublished - 2010 Nov 10


  • (Ga,Mn)As
  • Spintronics
  • electric-field controlled ferromagnetism
  • ferromagnetic dots
  • ferromagnetic semiconductor

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering


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