Interface magnetism and superparamagnetism of Co/Cu multilayers

Z. S. Shan, S. Nafis, John Woollam, S. H. Liou, D. J. Sellmyer

Research output: Contribution to journalArticlepeer-review

29 Scopus citations


The magnetic properties of Co/Cu multilayers were investigated from 5 to 380 K and analyzed in terms of the interface magnetism and mean-field model. The interface, which is about 1.2 Å thick, is nonmagnetic at room temperature and becomes magnetic at 5 K with the average magnetization of 40% of the pure Co magnetization. The samples of X Å Co/10 Å Cu behaved superparamagnetically as X ranged from 4 to 6.5 Å and did not show superparamagnetic behavior for thinner or thicker Co layer thickness.

Original languageEnglish (US)
Pages (from-to)6347-6349
Number of pages3
JournalJournal of Applied Physics
Issue number10
StatePublished - 1993

ASJC Scopus subject areas

  • General Physics and Astronomy


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