FePt clusters synthesized by thermal pyrolysis of Fe and Pt compounds in an organic solvent

Y. C. Sui, Y. Zhao, M. Daniil, X. Z. Li, D. J. Sellmyer

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

A simple synthetic procedure involving the pyrolysis of Fe and Pt acetylacetonates mixed in trioctylamine results in the formation of alloy clusters with an average cluster around 4.2 nm and narrow size distribution. When the clusters are dispersed onto silicon wafers and heated under the protection of forming gas or nitrogen, the fcc structured clusters transform into hard magnetic FePt clusters with L 10 chemical order. Coercivity values as high as 23 kOe are reached after rapid thermal annealing at 750 °C for 5 min.

Original languageEnglish (US)
Article number08G704
JournalJournal of Applied Physics
Volume99
Issue number8
DOIs
StatePublished - 2006

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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