{"title":"Amorphization of gold film on silicon single crystal by hardness indentation at room temperature","authors":"Akira Hatakeyama, Toshimasa Yoshiie","doi":"10.1080/14786435.2023.2255973","DOIUrl":null,"url":null,"abstract":"ABSTRACTThe formation of an amorphous gold-silicon alloy by indentation is reported. A polycrystalline gold film formed via vapour deposition on a silicon (111) substrate was indented using a Berkovich indenter with a load of 0.05 N. The indentation area was observed by transmission electron microscopy after thinning the silicon substrate from the back side (unindented surface). A set of halo rings, identified as an amorphous gold-silicon alloy was observed. A gold film on a SiO2 substrate was also used to investigate the effect of the substrate, and no amorphization was observed. The amorphization mechanism is discussed based on thermodynamics.KEYWORDS: Indentationamorphous silicontransmission electron microscopy Disclosure statementNo potential conflict of interest was reported by the author(s).","PeriodicalId":19856,"journal":{"name":"Philosophical Magazine","volume":"29 1","pages":"0"},"PeriodicalIF":1.5000,"publicationDate":"2023-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Philosophical Magazine","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/14786435.2023.2255973","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
ABSTRACTThe formation of an amorphous gold-silicon alloy by indentation is reported. A polycrystalline gold film formed via vapour deposition on a silicon (111) substrate was indented using a Berkovich indenter with a load of 0.05 N. The indentation area was observed by transmission electron microscopy after thinning the silicon substrate from the back side (unindented surface). A set of halo rings, identified as an amorphous gold-silicon alloy was observed. A gold film on a SiO2 substrate was also used to investigate the effect of the substrate, and no amorphization was observed. The amorphization mechanism is discussed based on thermodynamics.KEYWORDS: Indentationamorphous silicontransmission electron microscopy Disclosure statementNo potential conflict of interest was reported by the author(s).
期刊介绍：
The Editors of Philosophical Magazine consider for publication contributions describing original experimental and theoretical results, computational simulations and concepts relating to the structure and properties of condensed matter. The submission of papers on novel measurements, phases, phenomena, and new types of material is encouraged.
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