Field-ball milling induced anisotropy in magnetic particles
Article 2004 en
Authors
NP
Narayan Poudyal
BA
B. Altuncevahir
VC
V. M. Chakka
Abstract
1 min read
Nd2Fe14B and Sm2Co17 particles of submicrometre sizes have been prepared by ball milling in a magnetic field. Structural and magnetic characterization reveal that these submicrometre particles milled in a magnetic field, consisting of nanosize grains, exhibit strong magnetic anisotropy compared with the particles milled without a magnetic field. Based on in situ observations of the field-ball milling in a transparent container, the mechanism of field-induced anisotropy in the nanostructured hard magnetic particles is discussed.
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