Magnetic domain structures of (Ga,Mn)As investigated by scanning Hall probe microscopy

Tomoji Shono, Tomoteru Fukumura, Masashi Kawasaki, Hideomi Koinuma, Tetsuya Hasegawa, Takeshi Endo, Koichi Kitazawa, Fumihiro Matsukura, Hideo Ohno

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


We have performed scanning Hall probe microscopy (SHPM) on III-V-based diluted magnetic semiconductors (Ga,Mn)As at low temperatures. The observed images clearly demonstrated stripe-shaped magnetic domains below Tc. The domain width was found to increase with temperature, and reached 3 μm at 65 K. The temperature dependence of the domain size is consistent with the transport experiment, if we assume the RKKY interaction between Mn moments.

Original languageEnglish
Pages (from-to)1171-1172
Number of pages2
JournalPhysica B: Condensed Matter
Issue numberPART II
Publication statusPublished - 2000


  • Diluted magnetic semiconductors
  • Magnetic domain
  • RKKY interaction
  • Scanning Hall probe microscopy


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