Инд. авторы:	Khokhryakov A.F., Palyanov Y.N., Borzdoy Y.M., Kozhukhov A.S., Shcheglov D.V.
Заглавие:	Step Patterns on {100} Faces of Diamond Crystals As-Grown in Mg-Based Systems
Библ. ссылка:	Khokhryakov A.F., Palyanov Y.N., Borzdoy Y.M., Kozhukhov A.S., Shcheglov D.V. Step Patterns on {100} Faces of Diamond Crystals As-Grown in Mg-Based Systems // Crystal Growth & Design. - 2018. - Vol.18. - Iss. 1. - P.152-158. - ISSN 1528-7483. - EISSN 1528-7505.
Идентиф-ры:	DOI: 10.1021/acs.cgd.7b01025; РИНЦ: 35515235; SCOPUS: 2-s2.0-85040165252; WoS: 000419749400021;
Реферат:	eng: In this article, we report the unusual growth of diamond crystals produced in Mg C and Mg Ge C systems at high-pressure, high-temperature conditions. We have found that the growth of the habit {100} faces occurs by deposition of a substance (carbon) on two nonequivalent {100} and {111} surfaces. Precipitation of carbon atoms on the (100) plane occurs by elementary layers -with a thickness of about 0.1 and 0.2 mn. The change in the density of elementary steps leads to the formation of step bunches that transform into faceted macrostates with an increase in their thickness of more than 400 nm. The maximum inclination angle of macrostep ends corresponds to the {111} faces position. As a result, singular stable {111} microfacets are formed at the ends of the macrosteps, which themselves grow layer by layer. The deposition of carbon on {100} and {111} surfaces of one simple form of diamond crystals leads to the zonal structure of {100} growth sectors.
Ключевые слова:	SURFACE; SINGLE-CRYSTAL; SYNTHETIC DIAMONDS; MAGNESIUM-BASED SYSTEMS; HIGH-TEMPERATURE CONDITIONS; HIGH-PRESSURE; MORPHOLOGY;
Издано:	2018
Физ. хар-ка:	с.152-158
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