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20022009
most citedCollective motion of self-propelled particles interacting without cohesion

698 citations

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cond-mat.mtrl-sci2008★ 120 cited

Bistability of vortex core dynamics in a single perpendicularly magnetized nano-disk

Grégoire De Loubens, A. Riegler, B. Pigeau +10

Microwave spectroscopy of individual vortex-state magnetic nano-disks in a perpendicular bias magnetic field, , is performed using a magnetic resonance force microscope (MRFM).…

cond-mat.mtrl-sci2008★ 101 cited

Ferromagnetic resonance force spectroscopy of individual sub-micron size samples

Olivier Klein, G. De Loubens, V. V. Naletov +7

We review how a magnetic resonance force microscope (MRFM) can be applied to perform ferromagnetic resonance (FMR) spectroscopy of \emph{individual} sub-micron size samples. We res…

cond-mat.mtrl-sci2008★ 599 cited

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…

cond-mat.mtrl-sci2007★ 666 cited

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…

cond-mat.mtrl-sci2007★ 662 cited

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…

cond-mat.mtrl-sci2007★ 28 cited

Orbital contribution to the magnetic properties of iron as a function of dimensionality

Marie-Catherine Desjonquères, Cyrille Barreteau, Gabriel Autes +1

The orbital contribution to the magnetic properties of Fe in systems of decreasing dimensionality (bulk, surfaces, wire and free clusters) is investigated using a tight-binding ham…