{"title":"Octahedral Overgrowth Structures on Impact Diamond","authors":"R. Wirth, V. M. Kvasnytsya, A. Schreiber","doi":"10.3103/S1063457623060114","DOIUrl":null,"url":null,"abstract":"<p>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.</p>","PeriodicalId":670,"journal":{"name":"Journal of Superhard Materials","volume":"45 6","pages":"418 - 423"},"PeriodicalIF":1.2000,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Superhard Materials","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.3103/S1063457623060114","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
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.
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.
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