Neutron diffraction study of the magnetic structure of Mn 3 B 4 | Zendy

Neov S. | Zendy; Legrand E. | Zendy

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Neutron diffraction study of the magnetic structure of Mn 3 B 4

Author(s) -

Neov S.,

Legrand E.

Publication year - 1972

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2220490221

Subject(s) - antiferromagnetism , neutron diffraction , magnetic structure , intermetallic , crystallography , materials science , magnetic moment , condensed matter physics , diffraction , chemistry , crystal structure , physics , magnetic field , magnetization , metallurgy , optics , alloy , quantum mechanics

From the neutron diffraction measurements it is concluded that below the Néel temsperature of 392 K the intermetallic compound Mn 3 B 4 becomes antiferromagnetic. At this stage only the Mn(2c) atoms are magnetic. Below 226 K the Mn(4g) atoms also become magnetically ordered and deform the collinear antiferromagnetic structure to a spiral structure, with an angle of 157.5°, which at lower temperature gradually develops to a collinear antiferromagnetic structure again. The saturated magnetic moments are 2.92 μ B for the Mn(2c) atoms and 0.44 μ B for the Mn(4g) atoms.

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