Generation of local magnetic fields at megahertz rates for the study of domain wall propagation in magnetic nanowires

B. Bergman, R. Moriya, M. Hayashi, L. Thomas, C. Tyberg, Y. Lu, E. Joseph, M.-B. Rothwell, J. Hummel, W.J. Gallagher, B. Koopmans, S.S.P. Parkin

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

We describe a technique for generating local magnetic fields at megahertz rates along magnetic nanowires. Local and global magnetic fields are generated from buried copper fine-pitch wires fabricated on 200 mm silicon wafers using standard complementary metal-oxide-semiconductor back-end process technology. In combination with pump-probe scanning Kerr microscopy, we measure the static and dynamic propagation fields of domain walls in permalloy nanowires.
Original languageEnglish
Article number262503
Pages (from-to)262503-1/3
Number of pages3
JournalApplied Physics Letters
Volume95
Issue number26
DOIs
Publication statusPublished - 2009

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