Three Dimensional Magnetic Correlations in Multiferroic LuFe2O4

Details Three Dimensional Magnetic Correlations in Multiferroic LuFe2O4 Three Dimensional Magnetic Correlations in Multiferroic LuFe2O4

2007-11-22

arxiv.org/abs/0711.3560v4

Phys. Rev. Lett. 100, 107601 (2008)

Physics

Condensed Matter

Strongly Correlated Electrons

4 figures

Scientific paper

10.1103/PhysRevLett.100.107601

We present single-crystal neutron diffraction measurements on multiferroic LuFe2O4 showing phase transitions at 240 and 175 K. Magnetic reflections are observed below each transition indicating that the magnetic interactions in LuFe2O4 are 3-dimensional (3D) in character. The magnetic structure is refined as a ferrimagnetic spin configuration below the 240 K transition. While 3D magnetic correlations persists below 175 K, a significant broadening of the magnetic peaks is observed along with the build up of a diffuse component to the magnetic scattering.

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