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D. A. Walters
Researcher at Rice University
Publications - 10
Citations - 2866
D. A. Walters is an academic researcher from Rice University. The author has contributed to research in topics: Carbon nanotube & Optical properties of carbon nanotubes. The author has an hindex of 8, co-authored 10 publications receiving 2796 citations.
Papers
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Journal ArticleDOI
Electrical and thermal transport properties of magnetically aligned single wall carbon nanotube films
James Hone,M. C. Llaguno,Norbert M. Nemes,Alan T. Johnson,Julia Fischer,D. A. Walters,M. J. Casavant,J. Schmidt,Richard E. Smalley +8 more
TL;DR: In this article, the authors show that the electrical resistivity exhibits moderate anisotropy with respect to the alignment axis, while the thermopower is the same when measured parallel or perpendicular to this axis.
Journal ArticleDOI
Elastic strain of freely suspended single-wall carbon nanotube ropes
D. A. Walters,Lars M. Ericson,M. J. Casavant,Jie Liu,Daniel T. Colbert,Kenneth A. Smith,Richard E. Smalley +6 more
TL;DR: In this paper, the authors induced large elastic strains in ropes of single-wall carbon nanotubes, using an atomic force microscope in lateral force mode, and the maximum strain observed, 5.8±0.9%, gives a lower bound of 45±7 GPa for the tensile strength (specifically, yield stress) of single wall nanotube ropes.
Journal ArticleDOI
Controlled deposition of individual single-walled carbon nanotubes on chemically functionalized templates
Jie Liu,M. J. Casavant,Michael Cox,D. A. Walters,Peter J. Boul,Wei Lu,A. J. Rimberg,Kenneth A. Smith,Daniel T. Colbert,Richard E. Smalley +9 more
TL;DR: In this paper, a method for placing individual carbon nanotubes at specific locations and orientations in such a way that the carbon wires contact metal electrodes has been proposed, which is potentially very important for fabrication of simple electrical circuits with carbon wires.
Patent
Macroscopic ordered assembly of carbon nanotubes
Richard E. Smalley,Daniel T. Colbert,Ken A. Smith,D. A. Walters,M. J. Casavant,Chad B. Huffman,Boris I. Yakobson,Robert H. Hauge,Rajesh K. Saini,Wan-Ting Chiang,Xiao Chuan Qin +10 more
TL;DR: In this paper, a method for the creation of macroscopic materials and objects comprising aligned carbon nanotube segments is presented. But the method is not suitable for the fabrication of large-scale objects.
Journal ArticleDOI
In-plane-aligned membranes of carbon nanotubes
D. A. Walters,M. J. Casavant,Xiao Chuan Qin,Chad B. Huffman,Peter J. Boul,Lars M. Ericson,Erik H. Haroz,Michael J. O'Connell,Kenneth A. Smith,Daniel T. Colbert,Richard E. Smalley +10 more
TL;DR: In this paper, the first macroscopic objects comprised of highly aligned single-wall carbon nanotubes (SWNTs) were produced by producing a suspension of SWNT segments, introducing the suspension to a strong magnetic field to align the segments, and filtering the suspension in the magnetic field.