FeCo nanoparticles assembled film

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 magnet...

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Bibliographic Details
Published in:Journal of applied physics 2005-05, Vol.97 (10), p.10J305-10J305-3
Main Authors: Xu, Yun-Hao, Qiu, Jiao-Ming, Bai, Jianmin, Judy, Jack H., Wang, Jian-Ping
Format: Article
Language:English
Subjects:
AGGLOMERATION
BINARY ALLOY SYSTEMS
CARBON
COBALT ALLOYS
COERCIVE FORCE
DEPOSITION
FERROMAGNETIC MATERIALS
HEATING
HYSTERESIS
IRON ALLOYS
MAGNETIZATION
MATERIALS SCIENCE
NANOSTRUCTURES
PARTICLE SIZE
PARTICLES
SPUTTERING
THIN FILMS
TRANSMISSION ELECTRON MICROSCOPY
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Summary: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 Fe 65 Co 35 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. H c is found to increase with the carbon matrix deposited.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.1850403