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US 10,359,678 B2Granted
Highly tunable magnetic liquid crystals
AssigneeThe Regents of the University of California
InventorsYadong Yin, Mingsheng Wang
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Abstract
In various embodiments magnetically actuated liquid crystals are provided as well as method of manufacturing such, methods of using the liquid crystals and devices incorporating the liquid crystals. In one non-limiting embodiment the liquid crystals comprise Fe3O4 nanorods where the nanorods are coated with a silica coating.
Claims19
A liquid crystal, said liquid crystal comprising:
- a suspension of magnetic nanorods, where said magnetic nanorods are coated with a silica and/or polymer layer and form a stable colloidal dispersion, where said magnetic nanorods function as a liquid crystal that performs optical switching in response to a magnetic field.
A method of fabricating magnetic nanorods for use as magnetic liquid crystals, said method comprising:
- preparing nonmagnetic nanorods;
- modifying the surface of said nanorods if necessary to ensure solvent dispersity;
- and
- converting said nanorods into magnetic nanorods.
1 more element
A method of fabricating magnetic nanorods for use as magnetic liquid crystals, said method comprising:
- preparing magnetic nanorods;
- and
- modifying the surface of said nanorods with a silicon or polymer coating to provide solvent dispersity.
Dependencies are inferred from the claim text.