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Formation and morphology of closed and porous films grown from grains seeded on substrates: Two-dimensional simulations
https://oist.repo.nii.ac.jp/records/2581
https://oist.repo.nii.ac.jp/records/25810dd8b2f5-9f55-4735-a360-8bfc9a1515c4
名前 / ファイル | ライセンス | アクション |
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Creative Commons Attribution 4.0 International(https://creativecommons.org/licenses/by/4.0/)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-03-02 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Formation and morphology of closed and porous films grown from grains seeded on substrates: Two-dimensional simulations | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Grain growth | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Chemical vapor deposition | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Thin films | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Microstructure | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Voronoi diagram | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者(英) |
Janssens, Stoffel D.
× Janssens, Stoffel D.× Vázquez-Cortés, David× Fried, Eliot |
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書誌情報 |
en : Acta Materialia 巻 225, p. 117555, 発行日 2021-12-20 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Two-dimensional simulations are used to explore topological transitions that occur during the formation of films grown from grains that are seeded on substrates. This is done for a relatively large range of the initial value Φs of the grain surface fraction Φ. The morphology of porous films is captured at the transition when grains connect to form a one-component network using newly developed raster-free algorithms that combine computational geometry and network theory. Further insight on the morphology of porous films and their suspended counterparts is obtained by studying the pore surface fraction Φp, the pore over grain ratio, the pore area distribution, and the contribution of pores of certain chosen areas to Φp. Pinhole survival is evaluated at the transition when film closure occurs using survival function estimates. The morphology of closed films (Φ=1) is also characterized and is quantified by measuring grain areas and perimeters. The majority of investigated quantities are found to depend sensitively on Φs and the long-time persistence of pinholes exhibits critical behavior as a function of Φs. In addition to providing guidelines for designing effective processes for manufacturing thin films and suspended porous films with tailored properties, this work may advance the understanding of continuum percolation theory. | |||||
出版者 | ||||||
出版者 | Elsevier Ltd on behalf of Acta Materialia Inc | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1359-6454 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1016/j.actamat.2021.117555 | |||||
権利 | ||||||
権利情報 | © 2021 The Author(s). | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.sciencedirect.com/science/article/pii/S1359645421009332?via%3Dihub | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |