Microelectrodeposition of cobalt and cobalt alloys for magnetic layers

P. L. Cavallotti, A. Vicenzo, M. Bestetti, S. Franz

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

Structure and growth characteristics of electrodeposited cobalt are discussed with regard to its electrokinetic behaviour. Three main growth modes are pointed out: outgrowth or perpendicular growth, in conditions of low surface inhibition; lateral growth, with complete coverage of the electrode by hydrolytic species giving a high degree of surface inhibition; cluster growth, in the presence of surface complex species stabilised by boric acid. The structure influence upon the magnetic properties is discussed with reference to the electrodeposition of thick layers of Co-Pt-W alloys, with Pt and W content, respectively in the range 8-15 and 1-5 at.%, having high coercivity and high magnetic moment.

Original languageEnglish
Pages (from-to)76-80
Number of pages5
JournalSurface and Coatings Technology
Volume169-170
DOIs
Publication statusPublished - 2 Jun 2003
Externally publishedYes

Keywords

  • Cobalt alloys electrodeposition
  • Cobalt electrocrystallisation
  • Permanent magnets

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

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