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- J C Fernández-Toledano, A Moncho-Jordá, F Martínez-López, R Hidalgo-Alvarez
- Langmuir : the ACS journal of surfaces and…
- 2004

The spontaneous formation of loosely bound ordered aggregates, foam, voids, chains, striations, and loops (see Figure 1a), called mesostructures hereafter, has been observed in colloidal monolayers trapped at the air-water interface. The distance between particles in these mesostructures is of the order of the particle radius (micrometers), implying that… (More)

- J C Fernández-Toledano, A Moncho-Jordá, F Martínez-López, A E González, R Hidalgo-Alvarez
- Physical review. E, Statistical, nonlinear, and…
- 2005

We have studied the average properties and the topological correlations of computer-simulated two-dimensional (2D) aggregating systems at different initial surface packing fractions. For this purpose, the centers of mass of the growing clusters have been used to build the Voronoi diagram, where each cell represents a single cluster. The number of sides (n)… (More)

- F Martínez-Pedrero, A El-Harrak, +5 authors J Callejas-Fernández
- Physical review. E, Statistical, nonlinear, and…
- 2008

In this work, the kinetics of coupled aggregation and sedimentation processes arising in magnetic fluids has been studied. Aggregation was induced applying a constant uniaxial magnetic field. The time evolution of the cluster-size distribution and the weight-average chain length was monitored using optical microscopy and digital image analysis. The… (More)

- Juan Carlos Fernández-Toledano, Arturo Moncho-Jordá, Francisco Martínez-López, Roque Hidalgo-Alvarez
- Langmuir : the ACS journal of surfaces and…
- 2006

The aim of this work is to simulate the formation of colloidal rings, circular clusters, and voids induced by oily lenses at the air-water interface. The presence of two liquids with different surface tension leads to the formation of a nonhomogeneous interface. In this case, the total interaction potential is assumed to be composed of only two terms; the… (More)

The mean magnetization (MM) approximation is undoubtedly the most widely used approximation in magnetorheology both from theoretical and simulation perspectives. According to this, spherical magnetizable particles under field can be replaced by effective dipole moments m placed at their center with strength m = V(p)⟨M(p)⟩. Here V(p) and ⟨M(p)⟩ are the… (More)

- J C Fernández-Toledano, A Moncho-Jordá, F Martínez-López, A E González, R Hidalgo-Alvarez
- Physical review. E, Statistical, nonlinear, and…
- 2007

We study the effect of the interaction's range on the structural and kinetic properties of a computer-simulated two-dimensional aggregating colloidal system. For this purpose, we considered that the particles of the system interact through a repulsive Yukawa potential which depends on two parameters: the value of the interaction potential between particles… (More)

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