Structure and Magnetic Properties of MnBi Nanoparticles Pre-Pared by Laser Ablation and Arc Discharge Method

X. Wang,H. Qian,P. Si,Y. Yang,C. Choi,J. Park,H. Ge,K. Shinde,K. Chung

IEEE International Magnetics Conference（2018）

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Abstract

MnBi has attracted renewed research interests as hard magnetic materials due to its large magnetocrystalline anisotropy and unusual positive temperature coefficient of coercivity. To produce coercivity in MnBi, it is crucial to reduce the dimensions of the MnBi powders, which are usually prepared by ball milling and the size of the powders is in micrometers [1, 2].

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Key words

Arc discharge,laser ablation,MnBi,nanoparticles

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