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This paper reports three types of nanorobotic end-effectors: m@CNTs-based sphere-on-pillar (SOP) optical nanoantennas, nanotube fountain pen, and m@CNTs-based tunneling nanosensor. The fabrication method of the m@CNTs-based SOP optical nanoantennas we developed has potentials in the investigation of nano-optics and nano-photonics due to its feasibility in preparing such devices. Nanotube fountain...
A segmented high aspect ratio nanowire employing the tunneling effect is proposed to theoretically realize non-linear effects in nanoscale force sensing. The structure consists of an external insulating shell with metallic core regions separated at the structure's geometric center. The separation is considered to be in the order of a few Å for the tunneling effect to be pronounced. As the structure...
We investigated the sensing abilities of pristine graphene based nanosensors in response to the attachment of Escherichia coli (E. coli) to the graphene surfaces. Using pristine graphenes, instead of functionalized graphenes, helps us understand better the influence of E. coli cells on the transport properties of graphenes. The biosensors based on pristine few-layer graphenes showed a discriminable...
A nanotube fountain pen (NFP) is designed for the fabrication of three-dimensional (3D) complex nanostructures by adding a reservoir to the injector for electromigration-based deposition (EMBD). This enhanced EMBD technique is prototyped using a metal-filled carbon nanotude (m@CNT) as an pen-tip injector and a network of m@CNTs as a reservoir for continuous mass feeding. The deposition is based on...
This paper presents a microelectromechanical systems (MEMS) device for simultaneous electrical and mechanical characterization of individual nanowires. The device consists of an electrostatic actuator and two capacitive sensors, capable of acquiring all measurement data (force and displacement) electronically without relying on electron microscopy imaging. This capability avoids the effect of electron...
In this paper, we report an in-situ nanosoldering technique to make electrically conductive interconnections between three-dimensional (3D) helical micro-/nanostructures and electrodes for the nanorobotic assembly of nanoelectromechanical systems (NEMS) using gold nanoparticle ink. 3D helical nanobelts are placed onto pre-fabricated gold electrodes using nanorobotic manipulation inside a scanning...
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