FeCo nanoparticles assembled film

Yun Hao Xu, Jiao Ming Qiu, Jianmin Bai, Jack H. Judy, Jian Ping Wang

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

FeCo is a material attracting the interest of many because its very high saturation magnetization (up to 2.45 T). In this study, FeCo nanoparticles assembled films with a matrix (carbon) were prepared by an integrated nanocluster deposition system with a gas aggregation cluster source and dc magnetron co-sputtering guns. The nanoparticles are produced from a Fe65 Co35 alloy target. The average particle size is controlled to vary from 5 to 12 nm. The size distribution is less than 10%. Transmission electron microscope images show the change of crystallinity upon online heating. FeCo nanoparticles with cubic shape are formed with online heating. Hc is found to increase with the carbon matrix deposited.

Original languageEnglish (US)
Article number10J305
JournalJournal of Applied Physics
Volume97
Issue number10
DOIs
StatePublished - May 15 2005

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