Magnetic structure of undistorted hexagonal ferrites, Lu0.2In0.8FeO3
- Authors
- Cho, Kwanghee; Kim, Hakbeom; Park, Soonyong
- Issue Date
- May-2020
- Publisher
- AMER INST PHYSICS
- Citation
- APPLIED PHYSICS LETTERS, v.116, no.20
- Journal Title
- APPLIED PHYSICS LETTERS
- Volume
- 116
- Number
- 20
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/41745
- DOI
- 10.1063/5.0008075
- ISSN
- 0003-6951
1077-3118
- Abstract
- We report on the crystal and magnetic structure of bulk hexagonal (Lu,In)FeO3. Neutron powder diffraction revealed that Lu0.2In0.8FeO3 has a single-phase P6(3)/mmc structure down to T approximate to 3K and shows an antiferromagnetic transition at T-N approximate to 164K. Unlike the distorted hexagonal LuFeO3 family with an A(2)(Gamma(2))-type spin configuration, undistorted hexagonal Lu0.2In0.8FeO3 shows either an A(1)(Gamma(1)) or a B-1(Gamma(3))-type spin configuration below T-N, which does not produce the c-directional canted ferromagnetic moment. A significant reduction in the ordered magnetic moment was observed at 3K without trimerization, and hints of a magnetic cluster state were observed in the paramagnetic phase near room temperature. Therefore, the system presents a rare example to study the geometrically frustrated magnetism in the undistorted hexagonal magnet that has a perfect triangular lattice below room temperature.
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Collections - College of Natural Sciences > Department of Physics > 1. Journal Articles
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