Journal ArticleDOI
Exceptionally high Young's modulus observed for individual carbon nanotubes
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In this article, the amplitude of the intrinsic thermal vibrations of isolated carbon nanotubes was measured in the transmission electron microscopy (TEM) and it was shown that they have exceptionally high Young's moduli, in the terapascal (TPa) range.Abstract:
CARBON nanotubes are predicted to have interesting mechanical properties—in particular, high stiffness and axial strength—as a result of their seamless cylindrical graphitic structure1–5. Their mechanical properties have so far eluded direct measurement, however, because of the very small dimensions of nanotubes. Here we estimate the Young's modulus of isolated nanotubes by measuring, in the transmission electron microscope, the amplitude of their intrinsic thermal vibrations. We find that carbon nanotubes have exceptionally high Young's moduli, in the terapascal (TPa) range. Their high stiffness, coupled with their low density, implies that nanotubes might be useful as nanoscale fibres in strong, lightweight composite materials.read more
Citations
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The use of surfactants for dispersing carbon nanotubes and graphene to make conductive nanocomposites
TL;DR: In this paper, the authors review the surfactants utilized for dispersing carbon nanotubes and graphene, the mechanisms of filler stabilization and the methods for composite preparation based on the use of surfactant to get conductive polymer composites with minimum nanofiller loading.
Journal ArticleDOI
Recent progresses on flexible tactile sensors
TL;DR: Flexible tactile sensors are a new type of electronic devices which provide the possibility for a machine to interact with the surroundings, being an emerging field after the rapid development of flexible electrodes.
Journal ArticleDOI
Surface energy of nanostructural materials with negative curvature and related size effects.
TL;DR: Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, and Department of Physics, Hunan Normal University, and State Key Laboratory of Optoelectronic Materials and Technologies are presented.
Journal ArticleDOI
Development of a universal stress sensor for graphene and carbon fibres
Otakar Frank,Georgia Tsoukleri,Ibtsam Riaz,Konstantinos Papagelis,John Parthenios,Andrea C. Ferrari,Andre K. Geim,Kostya S. Novoselov,Costas Galiotis +8 more
TL;DR: In this article, the Raman G peak of carbon fiber is studied in relation to applied strain and referenced to graphene; the work could facilitate stress measurements of carbon fibre polymer composites.
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High performance fully plastic actuator based on ionic-liquid-based bucky gel
Ken Mukai,Kinji Asaka,Kenji Kiyohara,Takushi Sugino,Ichiro Takeuchi,Takanori Fukushima,Takuzo Aida +6 more
TL;DR: In this paper, the bucky-gel actuator was fabricated by hot-pressing the prepared electrode and electrolyte layers and analyzed its experimental results by the tri-layer polymer actuator model which was developed by Alici et al. for conducting polymer actuators.
References
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Book
Advanced Engineering Mathematics
TL;DR: This book discusses ODEs, Partial Differential Equations, Fourier Series, Integrals, and Transforms, and Numerics for ODE's and PDE's, as well as numerical analysis and potential theory, and more.
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Large-scale synthesis of carbon nanotubes
TL;DR: In this article, the authors used a variant of the standard arc-discharge technique for fullerene synthesis under a helium atmosphere, where a carbonaceous deposit formed on one of the graphite rods, consisting of a macroscopic (diameter of about 5 mm) cylinder.
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Advanced Engineering Mathematics. ByErwin Kreyszig. Pp. xx, 899. 68s. (Wiley.)
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Energetics of Nanoscale Graphitic Tubules
TL;DR: It is found that the strain energy per carbon relative to an unstrained graphite sheet goes as the inverse square of the tubule radius, R, and is insensitive to other aspects of the lattice structure, indicating that relationships derivable from continuum elastic theory persist well into the small radius limit.
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Growth, Structure, and Properties of Graphite Whiskers
TL;DR: Graphite whiskers have been grown in a dc arc under a pressure of 92 atmospheres of argon and at 3900°K as discussed by the authors, with recoverable lengths up to 3 cm. They are embedded in a solid matrix of graphite which builds up by diffusion of carbon vapor from the positive to the negative electrode.