Recording layer influence on the dynamics of a soft underlayer

Dmitri Litvinov, Andreas Lyberatos, Jason Wolfson, James Bain, Sakhrat Khizroev

Research output: Contribution to journalConference articlepeer-review

20 Scopus citations


This paper addresses the recording layer influence on the dynamics of soft underlayer (SUL) films. The static magnetic properties of soft magnetic films magnetostatically coupled to hard magnetic layers are correlated with their dynamic characteristics. The dynamic behavior is studied both theoretically and via direct experimental observation of the magnetization switching in a soft underlayer driven by a recording head. It is found that the dynamics of a SUL can be strongly influenced by magnetostatic coupling to a recording layer.

Original languageEnglish (US)
Pages (from-to)1994-1996
Number of pages3
JournalIEEE Transactions on Magnetics
Issue number5 I
StatePublished - Sep 2002
Externally publishedYes
Event2002 International Magnetics Conference (Intermag 2002) - Amsterdam, Netherlands
Duration: Apr 28 2002May 2 2002


  • Perpendicular magnetic recording media
  • Scanning Kerr microscopy
  • Soft underlayer (SUL) dynamics

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering


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