Zobrazeno 1 - 10 of 10 pro vyhledávání: '"Anatoly Chepurov"'
1
Akademický článek
The composition of the fluid phase in inclusions in synthetic HPHT diamonds grown in system Fe–Ni–Ti–C
Autor: Valeri Sonin, Anatoly Tomilenko, Egor Zhimulev, Taras Bul’bak, Aleksei Chepurov, Yuri Babich, Alla Logvinova, Tat’yana Timina, Anatoly Chepurov
Publikováno v: Scientific Reports, Vol 12, Iss 1, Pp 1-9 (2022)
Abstract Diamonds grown by high pressure high temperature process (HPHT) are usually characterized by yellow color and high contents of nitrogen. Introduction of Ti decreases nitrogen content in diamond. Understanding the formation of nitrogen-poor d
Externí odkaz: https://doaj.org/article/e20d79bc43374502a39e5c58bd08c6a1
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2
Akademický článek
Surface Porosity of Natural Diamond Crystals after the Catalytic Hydrogenation
Autor: Aleksei Chepurov, Valeri Sonin, Dmitry Shcheglov, Egor Zhimulev, Sergey Sitnikov, Alexander Yelisseyev, Anatoly Chepurov
Publikováno v: Crystals, Vol 11, Iss 11, p 1341 (2021)
The study of diamond surfaces is traditionally undertaken in geology and materials science. As a sample material, two natural diamond crystals of type Ia were selected, and their luminescence and nitrogen state was characterized. In order to etch the
Externí odkaz: https://doaj.org/article/0e1e0414c2b8463bbd3bbfe0625ddb5b
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3
HPHT-Treated Impact Diamonds from the Popigai Crater (Siberian Craton): XRD and Raman Spectroscopy Evidence
Autor: Anatoly Chepurov, Sergey Goryainov, Sergey Gromilov, Egor Zhimulev, Valeriy Sonin, Aleksey Chepurov, Zakhar Karpovich, Valentin Afanasiev, Nikolay Pokhilenko
Publikováno v: Minerals
Volume 13
Issue 2
Pages: 154
Phase change and graphitization of diamonds from the Popigai impact crater (Krasnoyarsk Territory, Siberian platform, Russia) exposed to high-pressure high-temperature (HPHT) conditions of 5.5 GPa and 2000–2200 °C are studied by Raman spectroscopy
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f2505d0d2a3526dc3d9452d7c2762de8
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4
Impact of Solid Hydrocarbon on the Composition of Fluid Phase at the Subduction (Experimental Simulation)
Autor: Anatoly Tomilenko, Valeriy Sonin, Taras Bul’bak, Egor Zhimulev, Tatiana Timina, Aleksey Chepurov, Elena Shaparenko, Anatoly Chepurov
Publikováno v: Minerals; Volume 13; Issue 5; Pages: 618
Experiments conducted in the olivine–serpentine–anthracene–metal (FeNi) system have shown that the recrystallization of olivines occurs under substantially reduced conditions with active participation of hydrocarbons, especially paraffins; more
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a58f061861877e86dc07ac0266eec325
https://doi.org/10.3390/min13050618
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