Huaxiang Fu

from Fayetteville, AR

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Work:

University of Arkansas
Associate Professor
University of Arkansas
Associate Professor Department of Physics

Multi-Stable Vortex States In Ferroelectric Nanostructure
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US Patent:

20060083048, Apr 20, 2006
Filed:

Jun 13, 2005
Appl. No.:

11/151088
Inventors:

Ivan Naumov - Fayetteville AR, US
Laurent Bellaiche - Fayetteville AR, US
Huaxiang Fu - Fayetteville AR, US
International Classification:

G11C 11/22
US Classification:

365145000, 365065000
Abstract:

A ferroelectric nanostructure formed as a low dimensional nanoscale ferroelectric material having at least one vortex ring of polarization generating an ordered toroid moment switchable between multi-stable states. Such a nanostructure is capable of achieving ultrahigh recording density in non-volatile ferroelectric random access memory (NFERAM) and may have applications in piezoelectric sensors, efficient actuators, nano-scale dielectric capacitors for energy storage, and nano-scale ultrasounds for medical use.