Soft-magnetic fluxguide materials

F. Roozeboom, P.J.H. Bloemen, W. Klaassens, E.G.J. van de Riet, J.J.T.M. Donkers

Research output: Contribution to journalArticleAcademicpeer-review

7 Citations (Scopus)

Abstract

This paper reviews the research done on soft-magnetic fluxguide materials for use in sandwich heads and in thin-film recording heads for digital magnetic recording. After dealing with the basic principles of magnetic recording, the requirements on modern soft-magnetic materials are discussed. The roles of magnetic anistropy and magnetostriction in relation to permeability are discussed. Next, we review the recent advances in soft-magnetic materials processing, in particular for amorphous cobalt (Co-Nb-Zr) and nanocrystalline iron alloys, such as Fe-M-X, with M being group IVa-Va metals such as Zr, Hf, Nb, Ta, etc., and X being N and O.

Original languageEnglish
Pages (from-to)59-91
Number of pages33
JournalPhilips Journal of Research
Volume51
Issue number1
DOIs
Publication statusPublished - 1 Jan 1998
Externally publishedYes

Keywords

  • Amorphous cobalt
  • Field annealing
  • Fluxguide
  • Magnetic anisotropy
  • Magnetostriction
  • Nanocrystalline iron
  • Rapid thermal processing
  • Soft-magnetic materials

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