Kinetic and thermodynamic aspects of the orientation growth of diamond

被引：1

作者：

Avakyan, A. N. ^{[1
]}

Hovsepyan, A. V. ^{[1
]}

Harutyunyan, G. H. ^{[1
]}

机构：

[1] Yerevan State Univ, Yerevan, Armenia

来源：

JOURNAL OF CONTEMPORARY PHYSICS-ARMENIAN ACADEMY OF SCIENCES | 2017年 / 52卷 / 03期

关键词：

diamond; graphite; thermodynamics; crystal growth; TRANSFORMATION; GRAPHITE;

D O I：

10.3103/S1068337217030082

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The experimentally obtained results for the transformation of graphite to diamond in the presence of nickel-manganese solvent (catalyst) depending on the crystallographic orientation of the initial graphite are analyzed. The principles of thermodynamics of irreversible processes developed by Onsager and theoretical constructions on the formation of a new phase developed by Zeldovich, are used. The appearance of the critical nucleus of diamond is considered as a result of graphite-diamond direct phase transition in a high-pressure chamber.

引用

页码：234 / 241

页数：8

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