Standard

Effect of the solvent-catalyst composition on diamond crystallization in the Mg-Ge-C system. / Palyanov, Yuri N.; Kupriyanov, Igor N.; Borzdov, Yuri M. и др.

в: Diamond and Related Materials, Том 89, 01.10.2018, стр. 1-9.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

Harvard

Palyanov, YN, Kupriyanov, IN, Borzdov, YM & Nechaev, DV 2018, 'Effect of the solvent-catalyst composition on diamond crystallization in the Mg-Ge-C system', Diamond and Related Materials, Том. 89, стр. 1-9. https://doi.org/10.1016/j.diamond.2018.08.002

APA

Palyanov, Y. N., Kupriyanov, I. N., Borzdov, Y. M., & Nechaev, D. V. (2018). Effect of the solvent-catalyst composition on diamond crystallization in the Mg-Ge-C system. Diamond and Related Materials, 89, 1-9. https://doi.org/10.1016/j.diamond.2018.08.002

Vancouver

Palyanov YN, Kupriyanov IN, Borzdov YM, Nechaev DV. Effect of the solvent-catalyst composition on diamond crystallization in the Mg-Ge-C system. Diamond and Related Materials. 2018 окт. 1;89:1-9. doi: 10.1016/j.diamond.2018.08.002

Author

Palyanov, Yuri N. ; Kupriyanov, Igor N. ; Borzdov, Yuri M. и др. / Effect of the solvent-catalyst composition on diamond crystallization in the Mg-Ge-C system. в: Diamond and Related Materials. 2018 ; Том 89. стр. 1-9.

BibTeX

@article{d03da1087a724462baf420a5132b9938,
title = "Effect of the solvent-catalyst composition on diamond crystallization in the Mg-Ge-C system",
abstract = "Crystallization of diamond in the Mg-Ge-C system has been studied at 7.5 GPa and 1800 °C with the catalyst composition ranging from pure Mg to pure Ge. It is found that with increasing Ge content of the solvent-catalyst, the degree of graphite-to-diamond conversion gradually decreases from 92 to 16%, which is a consequence of the low solubility of carbon in the germanium melt. A decrease in the Mg/Ge ratio leads to a change in the diamond growth form from cube to octahedron and a drastic increase in the number of diamond nucleation centers. The spectral properties of the crystallized diamonds are studied by photoluminescence techniques. The correlations between the Ge content of the Mg-Ge-C system and the luminescence characteristics of the diamond crystals caused by the germanium-vacancy, silicon-vacancy, and nitrogen-vacancy optical centers are established. The results obtained in this study demonstrate that by changing the catalyst composition in the Mg-Ge-C system, it is possible to control the design of the diamond crystals and synthesize isometric, pyramidal, prismatic or needle-like crystals containing Ge-V centers.",
keywords = "Defect characterization, High pressure high temperature (HPHT), Impurities, Optical properties, Solvent-catalysts, Synthetic diamond, VACANCY COLOR-CENTER, HIGH-PRESSURE, DEFECTS, SPINS, CENTERS, MORPHOLOGY",
author = "Palyanov, {Yuri N.} and Kupriyanov, {Igor N.} and Borzdov, {Yuri M.} and Nechaev, {Denis V.}",
year = "2018",
month = oct,
day = "1",
doi = "10.1016/j.diamond.2018.08.002",
language = "English",
volume = "89",
pages = "1--9",
journal = "Diamond and Related Materials",
issn = "0925-9635",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Effect of the solvent-catalyst composition on diamond crystallization in the Mg-Ge-C system

AU - Palyanov, Yuri N.

AU - Kupriyanov, Igor N.

AU - Borzdov, Yuri M.

AU - Nechaev, Denis V.

PY - 2018/10/1

Y1 - 2018/10/1

N2 - Crystallization of diamond in the Mg-Ge-C system has been studied at 7.5 GPa and 1800 °C with the catalyst composition ranging from pure Mg to pure Ge. It is found that with increasing Ge content of the solvent-catalyst, the degree of graphite-to-diamond conversion gradually decreases from 92 to 16%, which is a consequence of the low solubility of carbon in the germanium melt. A decrease in the Mg/Ge ratio leads to a change in the diamond growth form from cube to octahedron and a drastic increase in the number of diamond nucleation centers. The spectral properties of the crystallized diamonds are studied by photoluminescence techniques. The correlations between the Ge content of the Mg-Ge-C system and the luminescence characteristics of the diamond crystals caused by the germanium-vacancy, silicon-vacancy, and nitrogen-vacancy optical centers are established. The results obtained in this study demonstrate that by changing the catalyst composition in the Mg-Ge-C system, it is possible to control the design of the diamond crystals and synthesize isometric, pyramidal, prismatic or needle-like crystals containing Ge-V centers.

AB - Crystallization of diamond in the Mg-Ge-C system has been studied at 7.5 GPa and 1800 °C with the catalyst composition ranging from pure Mg to pure Ge. It is found that with increasing Ge content of the solvent-catalyst, the degree of graphite-to-diamond conversion gradually decreases from 92 to 16%, which is a consequence of the low solubility of carbon in the germanium melt. A decrease in the Mg/Ge ratio leads to a change in the diamond growth form from cube to octahedron and a drastic increase in the number of diamond nucleation centers. The spectral properties of the crystallized diamonds are studied by photoluminescence techniques. The correlations between the Ge content of the Mg-Ge-C system and the luminescence characteristics of the diamond crystals caused by the germanium-vacancy, silicon-vacancy, and nitrogen-vacancy optical centers are established. The results obtained in this study demonstrate that by changing the catalyst composition in the Mg-Ge-C system, it is possible to control the design of the diamond crystals and synthesize isometric, pyramidal, prismatic or needle-like crystals containing Ge-V centers.

KW - Defect characterization

KW - High pressure high temperature (HPHT)

KW - Impurities

KW - Optical properties

KW - Solvent-catalysts

KW - Synthetic diamond

KW - VACANCY COLOR-CENTER

KW - HIGH-PRESSURE

KW - DEFECTS

KW - SPINS

KW - CENTERS

KW - MORPHOLOGY

UR - http://www.scopus.com/inward/record.url?scp=85050976859&partnerID=8YFLogxK

U2 - 10.1016/j.diamond.2018.08.002

DO - 10.1016/j.diamond.2018.08.002

M3 - Article

AN - SCOPUS:85050976859

VL - 89

SP - 1

EP - 9

JO - Diamond and Related Materials

JF - Diamond and Related Materials

SN - 0925-9635

ER -

ID: 16084234