Germanium Catalyst for Plasma-Chemical Synthesis of Diamonds

被引：21

作者：

Timerkaev, B. A. ^{[1
]}

Kaleeva, A. A. ^{[1
]}

Timerkaeva, D. B. ^{[1
]}

Saifutdinov, A., I ^{[1
]}

机构：

[1] Kazan Natl Res Tech Univ, Kazan 420111, Russia

来源：

HIGH ENERGY CHEMISTRY | 2019年 / 53卷 / 05期

关键词：

microdiamonds; artificial diamonds; electric discharge; plasma chemistry; germanium nanostructures; electric arc; MICRODISCHARGES;

D O I：

10.1134/S0018143919050138

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A method for the synthesis of microdiamonds from graphite in an argon arc using germanium as a catalyst is presented. Simple microdiamonds and diamonds of complex configuration are obtained. It has been revealed that forms of synthesized nanomaterials are significantly affected by the buffer gas, the electrical and thermal parameters of the arc discharge, and the presence of germanium at the nucleation stage. Microdiamonds are formed within a few tens of seconds, which is much different from time required for their traditional production.

引用

页码：390 / 395

页数：6

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