Influence of current density on the magnetization process in active spin-valve elements

X. Portier*, A. K. Petford-Long, T. C. Anthony, J. A. Brug

*Corresponding author for this work

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

Simultaneous magnetoresistance measurements and observation of magnetic domain structures have been performed on active spin-valve elements by means of in situ experiments in a Lorentz transmission electron microscope. Two different spin-valve structures with NiFe and NiFe/Co sense layers have been studied with two sizes of rectangular elements. The effect of different applied current values has been analyzed and the addition of a Co layer in the sense layer has a large influence on the spin-valve behavior and on the domain structure. Also, two different processes for magnetic domain growth and motion have been observed for low or high applied current densities.

Original languageEnglish (US)
Pages (from-to)6840-6842
Number of pages3
JournalJournal of Applied Physics
Volume83
Issue number11
DOIs
StatePublished - Jan 1 1998

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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