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Effect of Boron Addition on Magnetic-Domain Structure of Rapidly Quenched Zr2Co11−Based Nanomaterials

Published online by Cambridge University Press:  02 May 2016

Lanping Yue ,
Yunlong Jin  and
David J. Sellmyer
Lanping Yue*
Affiliation:
Nebraska Center for Materials and Nanoscience, University of Nebraska, Lincoln, NE 68588, U.S.A.
Yunlong Jin
Affiliation:
Nebraska Center for Materials and Nanoscience, University of Nebraska, Lincoln, NE 68588, U.S.A. Department of Physics and Astronomy, University of Nebraska, Lincoln, NE 68588, U.S.A.
David J. Sellmyer
Affiliation:
Nebraska Center for Materials and Nanoscience, University of Nebraska, Lincoln, NE 68588, U.S.A. Department of Physics and Astronomy, University of Nebraska, Lincoln, NE 68588, U.S.A.
*
*(Email: lyue2@unl.edu)
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Abstract

The boron-content dependence of magnetic domain structures and magnetic properties of nanocrystalline Zr16Co82.5−x Mo1.5B x (x = 0, 1, 2, 3, 4) melt-spun ribbons have been investigated. Compared to x = 0, the smaller average domain size with a relatively short magnetic correlation length of 120 nm and largest root-mean-square phase shift value of 0.94° are observed for x = 1. The best magnetic properties of coercivity H c = 5.4 kOe, maximum energy product (BH) max = 4.1 MGOe, and saturation polarization J s = 7.8 kG, were obtained for the ribbon with x = 1. The optimal B addition enhances the content of hard magnetic phase, promotes magnetic domain structure refinement, and increases the surface roughness, results in the enhancement of magnetic anisotropy, and thus leads to a significant increase in coercivity and energy product in this sample.

Keywords

magnetic propertiesnanostructurescanning probe microscopy (SPM)
Type
Articles
Information
MRS Advances , Volume 1 , Issue 34: Materials Design , 2016 , pp. 2379 - 2385
Copyright
Copyright © Materials Research Society 2016 

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References

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