Octahedral Overgrowth Structures on Impact Diamond

IF 1.2 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Superhard Materials Pub Date : 2024-01-18 DOI:10.3103/S1063457623060114

R. Wirth, V. M. Kvasnytsya, A. Schreiber

引用次数: 0

Abstract

Nano- to micrometre-sized overgrowths on the (0001) surface of impact apographitic diamond were characterized. The structures are documented as octahedra, occasionally cubes, their contact and penetration twins, and irregular intergrowths. The internal of these overgrowths structures and their chemical composition were studied. Their postulated globular structure and block growth mechanism published earlier were disproved. A mechanism for the formation of these overgrowth structures is presented.

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冲击钻石上的八面体过度生长结构

摘要对冲击无规形金刚石（0001）表面上纳米到微米大小的过度生长进行了表征。这些结构被记录为八面体，偶尔也有立方体，它们的接触和穿透孪晶，以及不规则的互生体。对这些过度生长结构的内部及其化学成分进行了研究。早先公布的球状结构和块状生长机制被推翻。提出了这些过度生长结构的形成机制。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Superhard Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

1.80

自引率

66.70%

发文量

审稿时长

2 months

期刊介绍： Journal of Superhard Materials presents up-to-date results of basic and applied research on production, properties, and applications of superhard materials and related tools. It publishes the results of fundamental research on physicochemical processes of forming and growth of single-crystal, polycrystalline, and dispersed materials, diamond and diamond-like films; developments of methods for spontaneous and controlled synthesis of superhard materials and methods for static, explosive and epitaxial synthesis. The focus of the journal is large single crystals of synthetic diamonds; elite grinding powders and micron powders of synthetic diamonds and cubic boron nitride; polycrystalline and composite superhard materials based on diamond and cubic boron nitride; diamond and carbide tools for highly efficient metal-working, boring, stone-working, coal mining and geological exploration; articles of ceramic; polishing pastes for high-precision optics; precision lathes for diamond turning; technologies of precise machining of metals, glass, and ceramics. The journal covers all fundamental and technological aspects of synthesis, characterization, properties, devices and applications of these materials. The journal welcomes manuscripts from all countries in the English language.