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Features of the transformation of detonation nanodiamonds into onion-like carbon nanoparticles |
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| Authors: | V. A. Popov A. V. Egorov S. V. Savilov V. V. Lunin A. N. Kirichenko V. N. Denisov V. D. Blank O. M. Vyaselev T. B. Sagalova |
| Affiliation: | 1. National University of Science and Technology MISIS, Moscow, Russia 2. Moscow State University, Moscow, Russia 3. Technological Institute for Superhard and Novel Carbon Materials, Troitsk, Russia 4. Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Russia |
| Abstract: | On the basis of the results of investigations carried out by differential scanning calorimetry, X-ray diffraction, nuclear magnetic resonance, high-resolution transmission electron microscopy, and Raman spectroscopy, a scheme for the transformation of detonation nanodiamonds (which are agglomerates of smaller particles) into onion-like carbon nanoparticles during vacuum annealing is verified. At high temperatures, the transition of an individual nanodiamond occurs in a short period of time and may proceed via an amorphous state. |
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