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Voltage‐Controllable Magnetic Composite Based on Multifunctional Polyethylene Microparticles
Author(s) -
Ghosh A.,
Sheridon N. K.,
Fischer P.
Publication year - 2008
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.200701301
Subject(s) - materials science , composite number , magnetization , voltage , dipole , magnetic field , polymer , electrostatics , magnetic dipole , particle (ecology) , magnetic nanoparticles , polyethylene , magnetic particle inspection , electric field , composite material , nanotechnology , nanoparticle , electrical engineering , physics , engineering , oceanography , quantum mechanics , geology
Micromagnets with collinear electric and magnetic dipole moments are embedded in a polymer to form a magnetic composite (see image). Each particle is a micromagnet that sits in a fluid‐filled cavity in which it is free to rotate. Under the application of a voltage, the multifunctional particles align with the applied electrostatic field to give rise to a net magnetization.

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