Journal
PHYSICAL REVIEW B
Volume 85, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.85.064413
Keywords
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Funding
- Japanese Society for Neutron Science
- [2340097]
- Grants-in-Aid for Scientific Research [19GS0205, 23244068, 23340097, 24740223, 24510130] Funding Source: KAKEN
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Magnetism in the insulating BaFe2Se3 was examined through susceptibility, specific heat, resistivity, and neutron diffraction measurements. After formation of a short-range magnetic correlation, a long-range ordering was observed below T-N similar to 255 K. The transition is obscured by bulk properties. Magnetic moments (parallel to a) are arranged to form a Fe-4 ferromagnetic unit, and each Fe-4 stacks antiferromagnetically. This block magnetism is of the third type among magnetic structures of ferrous materials. The magnetic ordering drives unusually large distortion via magnetoelastic coupling.
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