Ferroelectric charge order stabilized by antiferromagnetism in multiferroic LuFe(2)O(4)
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Date
2012-02-02
Journal Title
Journal ISSN
Volume Title
Publisher
Australian Institute of Physics
Abstract
Neutron diffraction measurements on multiferroic LuFe2O4 show changes in the antiferromagnetic (AFM) structure characterized by wavevector q = ( 1/3 1/3 ½) as a function of electric field cooling procedures. The increase of intensity from all magnetic domains and the decrease in the 2D magnetic order observed below the Neel temperature are indicative of increased ferroelectric charge order. The AFM order changes the dynamics of the CO state, and stabilizes it. It is determined that the increase in electric polarization observed at the
magnetic ordering temperature is due to a transition from paramagnetic 2D charge order to AFM 3D charge order.
Description
Keywords
Neutron diffraction, Antiferromagnetism, Neel temperature, Polarization, Vectors, Ferroelectric materials
Citation
Mulders, A.M., Bartkowiak, M., Hester, J.R., Pomjakushina, E., Conder, K. (2012). Ferroelectric charge order stabilized by antiferromagnetism in multiferroic LuFe(2)O(4). Poster presented to the 36th Annual Condensed Matter and Materials Meeting, Wagga 2012, Charles Sturt University, Wagga Wagga, NSW 31st January – 3rd February, 2012. Retrieved from: https://physics.org.au/wp-content/uploads/cmm/2012/