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Characterization of Curvature in CNT Turf Structures from Two-Dimensional Images

Published online by Cambridge University Press:  17 March 2011

Garrett M. Kelley  and
David P. Field
Garrett M. Kelley
Affiliation:
School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164-2920, U.S.A.
David P. Field
Affiliation:
School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164-2920, U.S.A.
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Abstract

Carbon nanotube turfs are collections of nanotubes in a turf or mat assembly with potential application as thermal switches, flat panel displays, hard drives, sensors, etc. The nano-topology of the turf necessarily relates to the turf properties; electrical, thermal, optical, etc. A simple method to quantitatively characterize the density, tortuosity and path connectedness of the turfs using secondary electron imaging was previously developed. The present work aims at developing the groundwork for a more realistic measure of tortuosity by using a deterministic approach to obtain the radii of semi-circular tubes as observed in projected images.

Keywords

scanning electron microscopy (SEM)structuralnanostructure

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1283: Symposium B – Carbon-Based Electronic Devices—Processing, Performance and Reliability , 2011 , mrsf10-1283-b05-05
Copyright
Copyright © Materials Research Society 2011

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References

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