Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 453, Issue -, Pages 231-235Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2018.01.026
Keywords
Reactive sintering; High magnetic fields; MnBi; Activation energy
Funding
- KAKENHI [26820281, 16H04547]
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The magnetic field effect on the reactive sintering process of MnBi was investigated. Magnetic-field-induced enhancement of the reaction was found to be exhibited at the initial stages. The coercivity field decreased with an increase in the in-field annealing time. The kinetics of the reaction were in good agreement with the diffusion-controlled reaction model. It is suggested that the decrease in activation energy at the initial stages of reaction increased the amount of formed MnBi phases, resulting in enhancement of the reaction Mn + Bi to MnBi phase by in-field reactive sintering. (C) 2018 Elsevier B.V. All rights reserved.
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