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Uniaxial anisotropy superparamagnetic relaxation

The temperature at the maximum in the zero field dc susceptibility measurement determines the blocking temperature TB (Fig. 3). It was found to increase with the average diameter of the clusters of a given sample. The simplest model to explain superparamagnetism assumes that each particle has a uniaxial anisotropy with a direction independent of that of the other particles. The energy that is needed to reverse the magnetization U, determines the relaxation time of this process,... [Pg.9]

See other pages where Uniaxial anisotropy superparamagnetic relaxation is mentioned: [Pg.386]    [Pg.183]    [Pg.470]    [Pg.497]    [Pg.261]    [Pg.165]    [Pg.12]    [Pg.362]    [Pg.196]    [Pg.288]    [Pg.208]    [Pg.208]    [Pg.382]   
See also in sourсe #XX -- [ Pg.196 ]



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