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Superhard and ultrahard phases of C 60 were synthesized by quenching at high pressures up to 13 GPa and high temperatures in the 300–2100 K range. The structures of the samples are discussed on the basis of X-ray and Raman spectra and electron microscopy data. The following physical properties of hard samples were studied: specific gravity; specific heat in the range 400–600 K; sound velocities;...
The plasma chemical reactor based on a carbon plasma jet was created for the production of fullerenes. This reactor has the changing temperature zone and provides deposition of soot under different conditions. X-ray powder diffraction investigation is carried out for identification of substances obtained in different parts of the installation. The fullerene crystals and an amorphous phase were found...
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