Systems and methods for creation of conducting networks of...

Details Systems and methods for creation of conducting networks of... Systems and methods for creation of conducting networks of...

2011-01-25

2011-01-25

Reifsnyder, David A (Department: 1776)

Liquid purification or separation

Processes

Using magnetic force

C210S222000, C204S660000

Reexamination Certificate

active

07875187

ABSTRACT:
Self-assembly of magnetic microparticles in AC magnetic fields. Excitation of the system by an AC magnetic field provides a variety of patterns that can be controlled by adjusting the frequency and the amplitude of the field. At low particle densities the low-frequency magnetic excitation favors cluster phase formation, while high frequency excitation favors chains and netlike structures. For denser configurations, an abrupt transition to the network phase was obtained.

REFERENCES:
patent: 2006/0197052 (2006-09-01), Pugel
Snezhko, A. et al., “Surface Wave Assisted Self-Assembly for Multidomain Magnetic Structures,” Physical Review Letters, PRL 96, 078701 (2006).
Snezhko, A. et al., “Dynamic Self-Assembly of Magnetic Particles on the Fluid Interface: Surface-Wave-Mediated Effective Magnetic Exchange,” Physical Review, E 73, 041306 (2006).
Snezhko, A. et al., “Structure Formation in Electromagnetically Driven Granular Media,” Physical Review Letters, PRL 94, 108002 (2005).

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