NDLI: 3D nanorobotic manipulations of multi-walled carbon nanotubes

Content Provider	IEEE Xplore Digital Library
Author	Lixin Dong Arai, F. Fukuda, T.
Copyright Year	2001
Description	Author affiliation: Dept. of Micro Syst. Eng., Nagoya Univ., Japan (Lixin Dong)
Abstract	Multi-walled carbon nanotubes (MWNTs) are manipulated in 3D space with a 10-DOF nanorobotic manipulator, which is actuated with PZTs and Picomotors/sup TM/ (New Focus Inc.) and operated inside a scanning electronic microscope (SEM). The coarse linear resolutions of the manipulator are better than 30 nm (X, Y, Z stages actuated by Picomotors) and the rotary one 2 mrad, while the resolutions of fine motions (actuated by PZTs) are within nano-order. AFM cantilevers are used as the end-effector. Several kinds of manipulations of MWNTs are performed with the developed manipulators with the assistance of dielectrophoresis and van der Waals forces. A single MWNT with estimated dimensions of /spl phi/ 40 nm /spl times/7 /spl mu/m has been picked up on an AFM cantilever. Another /spl phi/ 50 nm /spl times/6 /spl mu/m MWNT is placed between two cantilevers, and still another /spl phi/ 40 nm /spl times/8 /spl mu/m MWNT is bent between a cantilever and sample substrate. Carbon nanotube (CNT) junctions are basic building blocks for more complex devices based on CNTs. A cross-junction was constructed with two MWNTs of dimensions of /spl sim//spl phi/ 40 nm /spl times/6 /spl mu/m and /spl sim//spl phi/ 50 nm /spl times/7 /spl mu/m, and a T-junction was made of two MWNTs with the dimensions of /spl sim//spl phi/ 40 nm /spl times/3 /spl mu/m and /spl sim//spl phi/ 50 nm /spl times/2 /spl mu/m. Force measurements are performed and the flexural rigidity and Young's modulus of an /spl sim//spl phi/ 30 nm /spl times/7 /spl mu/m MWNT are estimated to be 8.641/spl times/10/sup -20/ Nm/sup 2/ and 2.17 TPa respectively. Such manipulations are essential for both the property research of CNTs and the fabrication of CNT-based NEMS.
Sponsorship	IEEE Robotics & Autom. Soc
Starting Page	632
Ending Page	637
File Size	682841
Page Count	6
File Format	PDF
ISBN	0780365763
ISSN	10504729
DOI	10.1109/ROBOT.2001.932621
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-05-21
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Carbon nanotubes Nanobioscience Nanotechnology Mechanical factors Quantum mechanics Probes Atomic force microscopy Manipulators End effectors Substrates
Content Type	Text
Resource Type	Article
Subject	Artificial Intelligence Control and Systems Engineering Electrical and Electronic Engineering Software

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