| Инд. авторы: | Chepurov A., Sonin V.M., Shcheglov D., Latyshev A., Filatov E., Yelisseyev A. |
| Заглавие: | A highly porous surface of synthetic monocrystalline diamond: Effect of etching by Fe nanoparticles in hydrogen atmosphere |
| Библ. ссылка: | Chepurov A., Sonin V.M., Shcheglov D., Latyshev A., Filatov E., Yelisseyev A. A highly porous surface of synthetic monocrystalline diamond: Effect of etching by Fe nanoparticles in hydrogen atmosphere // International Journal of Refractory Metals and Hard Materials. - 2018. - Vol.76. - P.12-15. - ISSN 0263-4368. |
| Идентиф-ры: | DOI: 10.1016/j.ijrmhm.2018.05.011; РИНЦ: 35494879; SCOPUS: 2-s2.0-85047391397; WoS: 000441489200002; |
| Реферат: | eng: We studied the etching of surface of synthetic monocrystalline diamond by Fe nanoparticles. The diamond was grown in the Fe-Ni-C system by high pressure high temperature (HPHT) process. To produce the Fe nanoparticles we used the technique of reduction of ferric chloride by hydrogen. Our experiment demonstrated only a normal type of etching resulted in formation of a highly porous surface on the diamond crystal: such surface consists of numerous channels oriented normally to a surface plane. Different faces of a diamond sample were etched simultaneously. Micromorphology of the etched surface was characterized by atomic-force microscopy. It was shown that after etching the average roughness was 20.8 nm in comparison with the 1.64 nm for the as-grown diamond before treatment. We propose that the highly porous surface obtained by this technique can be used when producing diamond-metal composites or as a catalytic support for fixing of metal micro- and nanoparticles inside the etched channels. © 2018 Elsevier Ltd |
| Ключевые слова: | Monocrystalline diamond; Micromorphologies; Micro and nano-particle; Hydrogen atmosphere; High pressure high temperature; Fe nanoparticles; Etching channels; Catalytic supports; Nickel compounds; Morphology; Metal nanoparticles; Hydrogen; Etching; Chlorine compounds; Chlorination; Capillary flow; Atomic force microscopy; Synthetic HPHT monocrystalline diamond; Surface micromorphology; Fe nanoparticles; Etching channels; Atomic force microscopy; Iron; Synthetic diamonds; |
| Издано: | 2018 |
| Физ. хар-ка: | с.12-15 |
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