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Title: Anisotropy induced large exchange bias behavior in ball milled Ni–Co–Mn–Sb alloys
Authors: Nayak, Ajaya K.
Sahoo, Roshnee
Suresh, K. G.
Nigam, A. K.
Chen, X.
Ramanujan, R. V.
Keywords: DRNTU::Engineering::Materials::Metallic materials::Alloys
Issue Date: 2011
Source: Nayak, A. K., Sahoo, R., Suresh, K. G., Nigam, A. K., Chen, X., & Ramanujan, R. V. (2011). Anisotropy induced large exchange bias behavior in ball milled Ni–Co–Mn–Sb alloys. Applied physics letters, 98(23), 232502-.
Series/Report no.: Applied physics letters
Abstract: We report the effect of decrease in the grain size on the structural, magnetic and exchange bias (EB) behavior in ball milled Ni50−xCoxMn38Sb12 (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.
ISSN: 0003-6951
DOI: 10.1063/1.3597305
Schools: School of Materials Science & Engineering 
Rights: © 2011 American Institute of Physics. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following official DOI: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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