The shape and surface structure of detonation nanodiamond purified in oxidizing chemical environment

被引：7
|
作者：
Stelmakh, Svitlana [1 ]
Skrobas, Kazimierz [1 ,2 ]
Gierlotka, Stanislaw [1 ]
Palosz, Bogdan [1 ]
机构：
[1] Inst High Pressure Phys, Sokolowska 29-37, PL-01142 Warsaw, Poland
[2] Natl Ctr Nucl Res, A Soltana 7, PL-05400 Otwock, Poland
来源：
DIAMOND AND RELATED MATERIALS | 2021年 / 113卷
关键词：
Detonation nanodiamond; Surface structure; Real space analysis; Molecular dynamics;
D O I：
10.1016/j.diamond.2021.108286
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
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.
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页数：6
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