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A nickel ring on a piezoelectric substrate may be used in the fabrication of nanoscale motors.
This Scanning Electron Micrograph shows a 500nm nickel ring on a piezoelectric substrate. Such ferromagnetic rings may be used in the fabrication of nanoscale motors at the NSF Nanosystems Engineering Research Center for Translational Applications of Nanoscale Multiferroic Systems.
Credit: Joshua Leon Hockel, Mechanical and Aerospace Engineering Department, University of California Los Angeles
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