Direct synthesis of large size ferromagnetic SmCo5 nanoparticles by a gas-phase condensation method

Shihai He, Ying Jing, Jian Ping Wang

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Ferromagnetic SmCo5 nanoparticles with large size have been directly synthesized by a magnetron-sputtering-based gas-phase condensation method. Based on this method, we studied the effect of thermodynamic environment for the growth of SmCo5 nanoparticles. It was found that the well-crystallized SmCo5 nanoparticle tends to form a hexagonal disk shape with its easy axis perpendicular to the disk plane. More importantly, under the condition of high sputtering current, well-crystallized nanoparticles were found to be formed through a three-stage growth process: aggregation, coalescence, and second crystallization.

Original languageEnglish (US)
Article number134310
JournalJournal of Applied Physics
Issue number13
StatePublished - Apr 7 2013

Bibliographical note

Funding Information:
This work was partially supported by Seagate Technology, National Science Foundation Minnesota MRSEC Program Facility under award number DMR-0819885, NSF Nano Fabrication Center at the University of Minnesota, and the Characterization Facility at University of Minnesota which received partial support from NSF through the NNIN program.

Copyright 2013 Elsevier B.V., All rights reserved.


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