Journal
PHYSICAL REVIEW B
Volume 79, Issue 14, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.79.144408
Keywords
antiferromagnetic materials; crystal structure; ferromagnetic materials; iron compounds; magnetic structure; weak ferromagnetism; X-ray diffraction
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The crystal and magnetic structures of the three-leg ladder compound Fe3BO5 have been investigated by single-crystal x-ray diffraction and neutron powder diffraction. Fe3BO5 contains two types of three-leg spin ladders. It shows a charge ordering transition at 283 K, an antiferromagnetic transition at 112 K, ferromagnetism below 70 K, and a weak ferromagnetic behavior below 40 K. The x-ray data reveal a smooth charge ordering and an incomplete charge localization down to 110 K. Below the first magnetic transition, the first type of ladders orders as ferromagnetically coupled antiferromagnetic chains, while below 70 K the second type of ladders orders as antiferromagnetically coupled ferromagnetic chains.
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