Control of magnetization states in microstructured permalloy rings

Marcus Steiner, Junsaku Nitta

Research output: Contribution to journalArticlepeer-review

58 Citations (Scopus)


Local Hall magnetometry was applied to micron-sized NiFe rings. The magnetic transitions were investigated with high resolution. For narrow rings, a sharp transition between the onion and the vortex state was detected. LHE measurements at low temperatures and numerical simulations show that in rings with small holes local vortices are created and that the interplay between reversible and irreversible transitions rules by the hysteresis curve.

Original languageEnglish
Pages (from-to)939-941
Number of pages3
JournalApplied Physics Letters
Issue number6
Publication statusPublished - 2004 Feb 9
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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