High thermal stability of carbon-coated L10-FePt nanoparticles prepared by salt-matrix annealing

Chuan Bing Rong, Narayan Poudyal, Girija S. Chaubey, Vikas Nandwana, Yuzi Liu, Y. Q. Wu, M. J. Kramer, M. E. Kozlov, R. H. Baughman, J. Ping Liu

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

Monodisperse L 10 -FePt nanoparticles with size ranging from 3 to 8 nm were prepared by the salt-matrix annealing method. It was observed that the annealed particles have high thermal stability-no sintering occurred even when the particles were heated at 1100 °C for an hour. This high thermal stability resulted from carbon coating of the particles during salt-matrix annealing as consequence of decomposition of surfactants.

Original languageEnglish
Article number07E131
JournalJournal of Applied Physics
Volume103
Issue number7
DOIs
StatePublished - 2008

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