Effect of magnetic interactions on the magnetic properties of ball-milled SmCo<inf>5</inf> + NiO powders

J. Sort, J. Nogués, S. Suriñach, J. S. Muñoz, G. Chouteau, M. D. Baró

Research output: Contribution to journalArticleResearchpeer-review

5 Citations (Scopus)

Abstract

An enhancement of the coercivity, HC, has been observed in SmCo5 when ball-milled with antiferromagnetic NiO powders. Moreoever, after short-term milling, these composites exhibit very high values of the squareness without need for particle alignment. Classical ΔM plots show that short-range exchange interactions are predominant for fields H < HC, while long-range magnetostatic interactions prevail for H > HC. © 2002 Elsevier Science B.V. All rights reserved.
Original languageEnglish
Pages (from-to)1287-1289
JournalJournal of Magnetism and Magnetic Materials
Volume242-245
DOIs
Publication statusPublished - 1 Jan 2002

Keywords

  • Antiferromagnets
  • Coercivity
  • Interaction effects
  • Remanence

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