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Abstract The structure of detonation nanodiamonds purified in the ozone, in a mixture of sulfuric acid with chromic anhydride and in nitric‑sulfuric acid in a presence of SO3 was examined.… Click to show full abstract
Abstract The structure of detonation nanodiamonds purified in the ozone, in a mixture of sulfuric acid with chromic anhydride and in nitric‑sulfuric acid in a presence of SO3 was examined. It is showed that in all cases oxidation leads to etching of (110) grain surfaces. The shape of as-synthesized nanograins evolves from initially truncated cube-octahedron with the same surface areas of (100), (110) and (111)A faces towards grains with increased area of (110) phase. The grains exposed to ozone become dodecahedrons terminated by (110) surfaces.
Journal Title: Diamond and Related Materials
Year Published: 2021
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