The characteristics, properties and phase composition of surface of nano- and micro-diamond crystals obtained by detonation synthesis were researched. In blend composition of nano diamonds the carbine presence was revealed. On the surface of the nano diamond mi-crocrystals and after chemical treatment the presence of sp2 and sp3 carbon phases with the predominant content of sp3crystal phase was revealed. Together with that the presence on the surface of the sp3 amorpohous phase was established for nano diamonds.

Key words: detonation synthesis, carbon phase composition, detonation nanodiamonds, micro-diamonds, X-ray diffraction, electron microscopy, Raman scattering

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