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Effect of Ball Milling on Magnetic Properties of Nb Substituted R2Fe16Nb1 (R: Gd and Er) Alloys

Published online by Cambridge University Press:  18 March 2013

B. K. Rai ,
S. R. Mishra ,
S. Khanra  and
K. Ghosh
B. K. Rai
Affiliation:
Department of Physics, The University of Memphis, Memphis, TN 38152.
S. R. Mishra
Affiliation:
Department of Physics, The University of Memphis, Memphis, TN 38152.
S. Khanra
Affiliation:
Department of Physics, Astronomy, and Materials Science, The Missouri State University, Springfield, MO 65897
K. Ghosh
Affiliation:
Department of Physics, Astronomy, and Materials Science, The Missouri State University, Springfield, MO 65897
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Abstract

In this work, we report the effect of high energy ball milling (HEBM) on Nb doped R2Fe16Nb1 (R= Gd, Er) compounds. The focus of the work is to bring enhancement in magnetic properties of R2Fe17 (2:17) compounds with the ball milling. Specifically, we find that the ball milling increases saturation magnetization, coercivity, and Curie temperature. The increase in the magnetization and Curie temperature upon ball milling is related to the lattice expansion and microstrains while the increase in coercivity is related to the grain refinement.

Keywords

ferromagneticmagnetic propertiesmagnetic
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1516: Symposium JJ – Intermetallic-Based Alloys―Science, Technology and Applications , 2013 , pp. 227 - 231
Copyright
Copyright © Materials Research Society 2013 

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