Time scaling regimes in aggregation of magnetic dipolar particles: scattering dichroism results |
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Authors: | Melle S Rubio M A Fuller G G |
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Institution: | Departamento Física Fundamental, UNED, Senda del Rey 9, Madrid 28040, Spain. |
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Abstract: | We report experimental results on the aggregation kinetics in magnetorheological fluids subject to a constant uniaxial magnetic field using the technique of scattering dichroism. We show that the number of aggregated particles displays a long-time power-law dependence with exponents that correspond to two different aggregation regimes. These regimes coincide with 3D and 1D-like aggregation. We also derive the values of both time exponents for the number of aggregated particles. |
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