Magnetic properties of nanometer-size CoPt particles

S. H. Liou, Y. Liu, S. S. Malhotra, M. Yu, D. J. Sellmyer

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Abstract

We have prepared nanometer-size, isolated CoPt particles. The particles in the range of 100-300 nm in diameter were formed by annealing thin films in the temperature range of 550-800 °C. Films with magnetic coercivity as high as 30 kOe were achieved. The results indicate that the high magnetic coercivity was obtained because the crystallite size approaches that of noninteracting single-domain particles.

Original languageEnglish (US)
Pages (from-to)5060-5062
Number of pages3
JournalJournal of Applied Physics
Volume79
Issue number8 PART 2A
DOIs
StatePublished - Apr 15 1996

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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