Perpendicular magnetic anisotropy of multilayers: recent insights

M. T. Johnson*, R. Jungblut, P. J. Kelly, F. J.A. den Broeder

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

63 Citations (Scopus)
37 Downloads (Pure)

Abstract

Extending our understanding of perpendicular magnetic anisotropy (PMA) beyond the phenomenological approach of volume (KV) and interface anisotropies (KS) requires caution. Experimentally, many factors such as roughness, formation of interface alloys, or patchiness of ultrathin layers may cause a reduction in PMA. Where stresses are present in multilayer growth, these may, under particular circumstances, contribute to both KV and KS, as demonstrated for the Cu/Ni/Cu system. Theoretically, the difficulty in modelling incoherently grown materials prevents a detailed quantitative comparison with most experimental systems, so that an evaluation of the underlying approximations common to all of the quantitative theoretical studies becomes very difficult.

Original languageEnglish
Pages (from-to)118-124
Number of pages7
JournalJournal of magnetism and magnetic materials
Volume148
Issue number1-2
DOIs
Publication statusPublished - 1 Jul 1995
Externally publishedYes

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