Magnetic vortex dynamics on a picoseconds timescale in a hexagonal Permalloy pattern

Je Ho Shim, Dong Hyun Kim, Brooke Mesler, Jung Hwan Moon, Kyoung Jin Lee, Erik Anderson, Peter Fischer

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We observed a motion of magnetic vortex core in a hexagonal Permalloy pattern by means of soft x-ray microscopy. Pump-probe stroboscopic observation on a picosecond timescale has been carried out after exciting a ground state vortex structure by an external field pulse of 1 ns duration. Vortex core is excited off from the center position of the hexagonal pattern but the analysis of the core trajectory reveals that the motion is nongyrotropic.

Original languageEnglish
Article number09D302
JournalJournal of Applied Physics
Volume107
Issue number9
DOIs
Publication statusPublished - 2010 May 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Shim, J. H., Kim, D. H., Mesler, B., Moon, J. H., Lee, K. J., Anderson, E., & Fischer, P. (2010). Magnetic vortex dynamics on a picoseconds timescale in a hexagonal Permalloy pattern. Journal of Applied Physics, 107(9), [09D302]. https://doi.org/10.1063/1.3358223