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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/100/14324

Title: Anisotropy induced large exchange bias behavior in ball milled Ni-Co-Mn-Sb alloys
Authors: NAYAK, AK
SAHOO, R
SURESH, KG
NIGAM, AK
CHEN, X
RAMANUJAN, RV
Issue Date: 2011
Publisher: AMER INST PHYSICS
Citation: APPLIED PHYSICS LETTERS,98(23)-
Abstract: We report the effect of decrease in the grain size on the structural, magnetic and exchange bias (EB) behavior in ball milled Ni(50-x)Co(x)Mn(38)Sb(12) (x=0 and 5) Heusler alloys. The existence of a wide range of grain sizes in the ball milled samples results in dramatic changes in the structural and magnetic properties. For x=0, a large EB field of 3.2 kOe is observed in the ball milled sample, compared to a value of 245 Oe of the bulk sample. This increase is attributed to the enhanced exchange coupling between the soft and hard magnetic particles. (c) 2011 American Institute of Physics. [doi:10.1063/1.3597305]
URI: http://dx.doi.org/10.1063/1.3597305
http://dspace.library.iitb.ac.in/jspui/handle/100/14324
ISSN: 0003-6951
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