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Electric-field-induced spin-flop in BiFeO3 single crystals at room-temperature
D. Lebeugle, D. Colson, A. Forget +3
Bismuth ferrite, BiFeO3, is the only known room-temperature 'multiferroic' material. We demonstrate here, using neutron scattering measurements in high quality single crystals, tha…
Infrared phonon dynamics of multiferroic BiFeO3 single crystal
R. P. S. M. Lobo, R. L. Moreira, D. Lebeugle +1
We discuss the first infrared reflectivity measurement on a BiFeO3 single crystal between 5 K and room temperature. The 9 predicted ab-plane E phonon modes are fully and unambiguou…
Very large spontaneous electric polarization in BiFeO3 single crystals at room temperature and its evolution under cycling fields
D. Lebeugle, D. Colson, A. Forget +1
Electric polarization loops are measured at room temperature on highly pure BiFeO3 single crystals synthesized by a flux growth method. Because the crystals have a high electrical…
Room temperature coexistence of large electric polarization and magnetic order in BiFeO3 single crystals
Delphine Lebeugle, Dorothee Colson, Anne Forget +4
From an experimental point of view, room temperature ferroelectricity in BiFeO3 is raising many questions. Electric measurements made a long time ago on solid-solutions of BiFeO3 w…
Influence of parasitic phases on the properties of BiFeO3 epitaxial thin films
H. Bea, M. Bibes, A. Barthelemy +10
We have explored the influence of deposition pressure and temperature on the growth of BiFeO3 thin films by pulsed laser deposition onto (001)-oriented SrTiO3 substrates. Single-ph…