Effects of Pt seedlayer and Ar pressure on magnetic and structural properties of sputtered CoNi/Pt multilayers

Q. Meng, P. de Haan, W.P. van Drent, J.C. Lodder, Th.J.A. Popma

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    Abstract

    CoNi/Pt multilayers were prepared by magnetron sputtering using Ar gas. The effects of the Pt seed layer and the Ar sputtering pressure on magnetic and structural properties are investigated. Microstructures of the multilayers were analysed using XRD and TEM. It was found that perpendicular magnetic anisotropy and coercivity increase with an increase in either the thickness of the Pt seed layer or Ar pressure. The causes of the increases in perpendicular anisotropy and coercivity are discussed in relation to the interface roughness, the curvature of layers and the columnar structures
    Original languageEnglish
    Pages (from-to)4064-4066
    Number of pages3
    JournalIEEE transactions on magnetics
    Volume32
    Issue number5
    DOIs
    Publication statusPublished - 1996

    Keywords

    • SMI-MAT: MATERIALS
    • SMI-TST: From 2006 in EWI-TST

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