论扩散和无扩散近似热力学稳定区人造金刚石形成和生长的动力学理论

IF 0.5 4区物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY

Journal of Contemporary Physics (Armenian Academy of Sciences) Pub Date : 2023-12-26 DOI:10.1134/S1068337223030052

A. N. Avagyan, A. V. Hovsepyan, G. G. Harutyunyan, M. S. Sakanyan

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引用次数: 0

摘要

摘要分析了亚美尼亚埃里温 "阿尔马兹 "加工厂十年来以工业规模（2 × 108 克拉）从石墨中合成金刚石的结果。理论研究用于一阶相变物理学。使用 Fokker-Planck 和 Zeldovich-Frenkel 方程在过渡态模型框架内描述了金刚石的生长过程。金刚石碳相核的形成是高压和高温下石墨-金刚石直接相变的结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

On the Kinetic Theory of Formation and Growth of Synthetic Diamond in the Region of Thermodynamic Stability in Diffusion and Diffusion-Less Approximation

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On the Kinetic Theory of Formation and Growth of Synthetic Diamond in the Region of Thermodynamic Stability in Diffusion and Diffusion-Less Approximation

The results of the ten years of diamond synthesis from graphite in industrial volumes (2 × 10⁸ carats) based on the PA “Almaz”, Yerevan, Armenia are analyzed. Theoretical studies are used in the physics of first-order phase transitions. The process of diamond growth is described within the frames of the transition state model using the Fokker-Planck and Zeldovich–Frenkel equations. The formation of a diamond carbon phase nucleus is the result of a direct graphite-diamond phase transition under high pressures and temperatures.

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来源期刊

Journal of Contemporary Physics (Armenian Academy of Sciences) PHYSICS, MULTIDISCIPLINARY-

CiteScore

1.00

自引率

66.70%

发文量

审稿时长

6-12 weeks

期刊介绍： Journal of Contemporary Physics (Armenian Academy of Sciences) is a journal that covers all fields of modern physics. It publishes significant contributions in such areas of theoretical and applied science as interaction of elementary particles at superhigh energies, elementary particle physics, charged particle interactions with matter, physics of semiconductors and semiconductor devices, physics of condensed matter, radiophysics and radioelectronics, optics and quantum electronics, quantum size effects, nanophysics, sensorics, and superconductivity.