Magnetic hardening in [formula omitted] multilayers and nanocomposites

J. P. Liu, Y. Liu, R. Skomski, D. J. Sellmyer

Research output: Contribution to journalArticle

47 Scopus citations

Abstract

[formula omitted] [formula omitted] 4, and 5) nanostructured multilayers have been prepared by dc and rf sputtering. Magnetic hardening has been found in the as-deposited thin films. The effects of the Co and hard-phase layer thicknesses and the effect of the Cr underlayer have been studied. Further magnetic hardening has been achieved by heat treating the samples. A remarkable increase of the coercivity has been obtained in the nanocomposite films, with coercive force up to 40 kOe. Transmission electron microscopy, atomic force microscopy, and magnetic force microscopy observations have been performed to understand the nanostructure and the domain structure.

Original languageEnglish (US)
Pages (from-to)4812-4814
Number of pages3
JournalJournal of Applied Physics
Volume85
Issue number8
DOIs
StatePublished - Apr 15 1999

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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