Coercivity enhancement in Zr 2Co 11 - Based nanocrystalline materials due to Mo addition

Wenyong Zhang, Shah R. Valloppilly, Xingzhong Li, Ralph Skomski, Jeffrey E. Shield, David J. Sellmyer

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

The Mo-content dependence of structure and magnetic properties of Zr 16 Co 75-x Mo xSi 3B 3(x=0,2, 3, 4, 5) nanocrystalline materials has been studied. The samples consist of hard-magnetic Zr 2 Co 11, and soft-magnetic Co phases. The substitution of Mo for Co restrains the formation of Co, raises the content of Zr 2Co 11, and increases the mean grain size of Zr 2Co 11. Therefore, the coercive force of the sample increases with x. A coercive force of 7.9 kOe, which is a highest value reported among Zr-Co alloys, was achieved for x=5. The anisotropy field of Zr 2Co 11 remains almost unchanged with increasing Mo content.

Original languageEnglish (US)
Article number6332924
Pages (from-to)3603-3605
Number of pages3
JournalIEEE Transactions on Magnetics
Volume48
Issue number11
DOIs
StatePublished - 2012

Keywords

  • Coercive force
  • Intermetallic
  • Magnetic property
  • Nanomaterials

ASJC Scopus subject areas

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

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