Development of MnBi permanent magnet: Neutron diffraction of MnBi powder | Zendy

Jun Cui | Zendy; JungPyung Choi | Zendy; Guosheng Li | Zendy; Evgueni Polikarpov | Zendy; Jens Darsell | Zendy; M. J. Kramer | Zendy; Nikolai A. Zarkevich | Zendy; L. L. Wang | Zendy; D. D. Johnson | Zendy; M. Marinescu | Zendy; Qikun Huang | Zendy; Hui Wu | Zendy; Nguyễn Xuân Trường | Zendy; J. P. Liu | Zendy

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Development of MnBi permanent magnet: Neutron diffraction of MnBi powder

Author(s) -

Jun Cui,

JungPyung Choi,

Guosheng Li,

Evgueni Polikarpov,

Jens Darsell,

M. J. Kramer,

Nikolai A. Zarkevich,

L. L. Wang,

D. D. Johnson,

M. Marinescu,

Qikun Huang,

Hui Wu,

Nguyễn Xuân Trường,

J. P. Liu

Publication year - 2014

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.4867230

Subject(s) - materials science , neutron diffraction , magnet , crystal structure , powder diffraction , magnetic moment , metallurgy , crystallography , condensed matter physics , chemistry , physics , quantum mechanics

MnBi attracts great attention in recent years for its great potential as permanent magnet materials. MnBi phase is difficult to obtain because of the rather drastic peritectic reaction between Mn and Bi. In this paper, we report our effort on synthesizing high purity MnBi compound using conventional powder metallurgical approaches. Neutron diffraction was carried out to investigate the crystal and nuclear structure of the obtained powder. The result shows that the purity of the obtained powder is about 91 wt. % at 300 K, and the magnetic moment of the Mn atom in MnBi lattice is 4.424 and 4.013 μB at 50 K and 300 K, respectively.

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