Effect of microstructure on coercivity of c-axis in-plane-oriented Co/Cr multilayered films

D. Wang, D. J. Sellmyer, G. C. Hadjipanayis

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Abstract

The effect of the insertion of nonmagnetic Cr planes on coercivities of thin Co films has been studied in Co/Cr multilayered films. The in-plane coercivity Hc∥ can be as high as 1800 Oe and can be adjusted easily, ranging from 650 to 1800 Oe. The large Hc∥ is related to the Co(110) in-plane orientation which is induced by a Cr(100) in-plane-oriented underlayer. In addition, it appears that a decreasing saturation magnetization Ms, a decreasing average structural coherence length D in the direction perpendicular to the film, and a narrowing distribution of D are correlated to the increasing in Hc∥. The effects of texture, Cr interlayers, D and its distribution, and the Cr underlayer on the magnetic properties are discussed.

Original languageEnglish (US)
Pages (from-to)4541-4543
Number of pages3
JournalJournal of Applied Physics
Volume69
Issue number8
DOIs
Publication statusPublished - Dec 1 1991

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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