Magnetic Field Induced Assembly of Highly Ordered Two-Dimensional Particle Arrays

Weddemann A, Wittbracht F, Eickenberg B, Hütten A (2010)
Langmuir 26(24): 19225-19229.

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Abstract
Suspended magnetic beads are exposed to an external homogeneous magnetic field which rotates around the axis perpendicular to the field direction. Because of dipolar interactions, magnetic beads assemble in highly ordered two-dimensional hexagonal arrays perpendicular to the rotation axis. By continuous provision of the particle concentration, the growth modes of two-dimensional particle clusters and monolayers are observed. The structure of the resulting assembled objects is analyzed for different field frequencies and particle concentrations. We identify dynamic processes which enhance stability and reduce lattice distortions and, thus, allow for the application of these particle agglomerations as dynamic components in lab-on-a-chip technologies.
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Weddemann A, Wittbracht F, Eickenberg B, Hütten A. Magnetic Field Induced Assembly of Highly Ordered Two-Dimensional Particle Arrays. Langmuir. 2010;26(24):19225-19229.
Weddemann, A., Wittbracht, F., Eickenberg, B., & Hütten, A. (2010). Magnetic Field Induced Assembly of Highly Ordered Two-Dimensional Particle Arrays. Langmuir, 26(24), 19225-19229. doi:10.1021/la102813w
Weddemann, A., Wittbracht, F., Eickenberg, B., and Hütten, A. (2010). Magnetic Field Induced Assembly of Highly Ordered Two-Dimensional Particle Arrays. Langmuir 26, 19225-19229.
Weddemann, A., et al., 2010. Magnetic Field Induced Assembly of Highly Ordered Two-Dimensional Particle Arrays. Langmuir, 26(24), p 19225-19229.
A. Weddemann, et al., “Magnetic Field Induced Assembly of Highly Ordered Two-Dimensional Particle Arrays”, Langmuir, vol. 26, 2010, pp. 19225-19229.
Weddemann, A., Wittbracht, F., Eickenberg, B., Hütten, A.: Magnetic Field Induced Assembly of Highly Ordered Two-Dimensional Particle Arrays. Langmuir. 26, 19225-19229 (2010).
Weddemann, Alexander, Wittbracht, Frank, Eickenberg, Bernhard, and Hütten, Andreas. “Magnetic Field Induced Assembly of Highly Ordered Two-Dimensional Particle Arrays”. Langmuir 26.24 (2010): 19225-19229.
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