Effects of nitrogenated NiP seedlayer on Co-alloy thin film media

S. I. Pang, J. P. Wang, T. C. Chong

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations

Abstract

In this study, nitrogen gas was introduced during deposition of NiP seedlayer for Co-alloy thin film media. Thermal stability and magnetic switching volume for thin film media with different nitrogen content in NiP seedlayer and NiP-N seedlayer thickness were studied using dynamic coercivity measurements. It was found that nitrogenated NiP seedlayer could further enhance the effects of magnetic decoupling and magnetic switching volume reduction that has been demonstrated by NiP before. Delta-M peak and domain size for Co-alloy thin film media were significantly decreased when nitrogenated NiP is used as a seedlayer. Surface roughness of NiP layer was also reduced when nitrogen gas is introduced.

Original languageEnglish (US)
Pages (from-to)1494-1496
Number of pages3
JournalIEEE Transactions on Magnetics
Volume37
Issue number4 I
DOIs
StatePublished - Jul 1 2001
Event8th Joint Magnetism and Magnetic Materials -International Magnetic Conference- (MMM-Intermag) - San Antonio, TX, United States
Duration: Jan 7 2001Jan 11 2001

Keywords

  • Exchange coupling
  • Magnetic switching volume
  • NiP
  • Nitrogen
  • Roughness

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