Electromagnetic propulsion and separation by chirality of nanoparticles in liquids

Kirkinis, E., Andreev, A. V., & Spivak, B. (2012) Electromagnetic propulsion and separation by chirality of nanoparticles in liquids. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 85(1).

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We introduce a new mechanism for the propulsion and separation by chirality of small ferromagnetic particles suspended in a liquid. Under the action of a uniform dc magnetic field H and an ac electric field E isomers with opposite chirality move in opposite directions. Such a mechanism could have a significant impact on a wide range of emerging technologies. The component of the chiral velocity that is odd in H is found to be proportional to the intrinsic orbital and spin angular momentum of the magnetized electrons. This effect arises because a ferromagnetic particle responds to the applied torque as a small gyroscope. © 2012 American Physical Society.

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ID Code: 73423
Item Type: Journal Article
Refereed: Yes
Keywords: AC electric field, DC magnetic field, E-isomers, Emerging technologies, Ferromagnetic particles, Magnetized electrons, New mechanisms, Significant impacts, Spin angular momentum, Electromagnetic propulsion, Enantiomers, Ferromagnetic materials, Ferromagnetism, Separation, Chirality
DOI: 10.1103/PhysRevE.85.016321
ISSN: 15393755 (ISSN)
Divisions: Current > Schools > School of Mathematical Sciences
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 07 Jul 2014 22:39
Last Modified: 09 Jul 2014 05:35

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