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Anisotropy properties of magnetic colloidal materials

Authors Qi, YB
Zhang, LY
Wen, WJ View this author's profile
Issue Date 2003
Source Journal OF PHYSICS d-applied PHYSICS , v. 36, (1), 2003, JAN 7, p. L10-L14
Summary Magnetic anisotropy of particulate magnetic materials is investigated with respect to the particle shape and compacting geometry. Uniform sized micro-rods and microspheres, coated with nickel, were used. Our results reveal that uniformly aligned rods show the largest magnetic anisotropy, while the field-oriented suspension of coated micro-rods shows somewhat weaker magnetic anisotropy, which is in excellent quantitative agreement with the theoretical calculation. The magnetic anisotropy drops significantly when the micro-rods were replaced by microspheres, even when they were aligned in chain-like formations.
ISSN 0022-3727
Rights Journal of Physics D: Applied Physics © Copyright (2003) IOP Publishing Ltd. The Journal's web site is located at
Language English
Format Article
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