Low-temperature nuclear and magnetic structures of La2O2Se2.Fe2O from X-ray and neutron diffraction measurements
arXiv:1005.4600 · doi:10.1103/PhysRevB.81.214433
Abstract
This paper describes the low temperature nuclear and magnetic structures of La2O2Se2.Fe2O by analysis of X-ray and neutron diffraction data. The material has been demonstrated to order antiferromagnetically at low temperatures, with TN \approx 90 K a propagation vector of k = (1/2 0 1/2), resulting in a spin arrangement similar to that in FeTe, despite there being no apparent lowering in symmetry of the nuclear structure.
19 pages (including figures)
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- Pressure-induced transition from a Mott insulator to a ferromagnetic Weyl metal in La2O3Fe2Se2
- Twinning of domains and spin anisotropy in KFeAgTe