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Pulsed-field studies of the magnetization reversal in molecular nanomagnets
Vanacken, J.; Stroobants, S.; Malfait, M.; Moshchalkov, V. V.; Jordi, M.; Tejada Palacios, Javier; Amigo, R.; Chudnovsky, Eugene M., 1948-; Garanin, D. A.
Universitat de Barcelona
We report experimental studies of crystals of Mn12 molecular magnetic clusters in pulsed magnetic fields with sweep rates up to 410^3 T/s . The steps in the magnetization curve are observed at fields that are shifted with respect to the resonant field values. The shift systematically increases as the rate of the field sweep goes up. These data are consistent with the theory of the collective dipolar relaxation in molecular magnets.
04-05-2010
Materials nanoestructurats
Propietats magnètiques
Magnetic properties
Nanostructured materials
(c) The American Physical Society, 2004
Artículo
The American Physical Society
         

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