Triangular magnetic structure of the Mn3Sb compound
https://doi.org/10.29235/1561-2430-2020-56-2-232-238
Abstract
The Mn3Sb metastable compound is formed at high pressure and temperature and it decomposes upon heating above 420 K into Mn2Sb and Mn. It has a cubic crystalline structure describing the Pm-3m (№ 221) space group with a lattice parameter of a = 0.400 nm. In the present work, according to the results of neutron diffraction investigations and taking into account magnetometry data, it is shown that Mn3Sb is an antiferromagnet, and a model of the magnetic structure with a triangular configuration of equal magnetic moments in magnitude is proposed. The magnetic moments of manganese atoms, constituting the basis of a unit magnetic cell, lie in the (111) plane and form an equilateral triangle. According to neutron diffraction data, the magnetic moments of manganese atoms were determined at different temperatures.
About the Authors
V. S. Goncharov
Scientific-Practical Materials Research Centre of the National Academy of Sciences of Belarus
Belarus
Belarus
Vladimir S. Goncharov – Ph. D. (Physics and Mathematics), Senior Researcher of the Laboratory of Physics of Magnetic
19, P. Brovka Str., 220072, Minsk
S. V. Trukhanov
Scientific-Practical Materials Research Centre of the National Academy of Sciences of Belarus
Belarus
Belarus
Sergei V. Trukhanov – Ph. D. (Physics and Mathematics), Leading Researcher of the Laboratory of the Technology and Physics
19, P. Brovka Str., 220072, Minsk
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