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Ni nanowires (NWs) are driven in water using a rotating magnetic field. The NWs show various locomotion performances under different boundary conditions. Pure rotation occurs when the two ends of the NWs are homogenously constrained. However, if the boundary conditions are different at the two ends of the NWs, tumbling motion, i.e., rotation plus translation, will be generated, which leads to the...
Dielectrophoretic assembly of individual carbon nanotube (CNT) based NEMS is experimentally realized with nanoelectrodes fabricated using electron-beam lithography. The successful manipulation and assembly of single carbon nanotubes using dielectrophoretic forces produced by nanoelectrodes lead to a higher integration of CNTs into both nanoelectronics and NEMS
The contact phase of an assembly task involving micro and nano-sized building blocks is complicated by the presence of surface and intermolecular forces such as electrostatic, surface-tension and Van der Waals forces. Assembly strategies must account for the presence of these forces in order to guarantee successful repeatable micro and nanoassembly with high precision. In this paper, a detailed model...
Nanostructures are constructed with destructively fabricated nano building blocks based on multiwalled carbon nanotubes through three-dimensional nanorobotic manipulation in free space. In situ mechanical property characterization is applied for the selection of a nanotube with desired elasticity. Destructive fabrication is demonstrated as an effective way to obtain layered and/or sharpened structures...
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