Laser-induced production of large carbon-based toroids
Section snippets
Acknowledgments
Support for this work from NASA and the State of Louisiana is appreciated.
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Few-nanometer-wide carbon toroids in the hydrocarbon films deposited in tokamak T-10
2011, Chemical Physics LettersCitation Excerpt :The closest theoretical neighbors to these toroids, besides already mentioned torelenes with carbon atom number in the range from 200 to 408 [14], are the toroids [16] with smaller number of atoms, smaller aspect ratio, and another orientation of the elongation of toroid’s cross-section (our calculations suggest that the difference of the latter factor has a small impact upon scattering intensity in the q range under consideration). The closest experimental neighbors are the hollow toroids of major radius ∼100 nm and cross-section diameter ∼50 nm, as observed in the products of the laser pulsed irradiation of carbonaceous targets [17]. Our results qualitatively agree with the hypotheses [18,19] for the possible role of toroidal single-wall carbon nanotubes in the fullerene crops.
Toroidal structures from C<inf>60</inf> agglomeration
2008, Materials LettersCitation Excerpt :In electron irradiation sample is heated up usually by energy absorption and bonds are ruptured by electron collision [12]. The laser induced production of large carbon based toroids (CBTs) from fullerene has a great interest due to its novel properties [13]. Toroidal carbon constructs, proposed as early as a decade ago [14–17], are intriguing partly because such shapes may possess anomalous magnetic properties [18–20].
Self-assembling of tubular skeletons from electric current filaments composed of magnetized thin rods
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