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薄膜点状島初期成長における平均捕獲数の空間次元依存性
https://doi.org/10.18952/00008923
https://doi.org/10.18952/00008923d95986e9-0a5b-4f5f-ad49-3db1145e06e6
名前 / ファイル | ライセンス | アクション |
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310108 (463.4 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2019-02-26 | |||||
タイトル | ||||||
言語 | ja | |||||
タイトル | 薄膜点状島初期成長における平均捕獲数の空間次元依存性 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Spatial dimension dependence for the average capture number in submonolayer growth of point islands | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
言語 | en | |||||
主題 | Model for surface kinetics | |||||
キーワード | ||||||
言語 | en | |||||
主題 | substrate spatial dimension | |||||
キーワード | ||||||
言語 | en | |||||
主題 | average capture number | |||||
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 | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.18952/00008923 | |||||
ID登録タイプ | JaLC | |||||
著者 |
中井, 日佐司
× 中井, 日佐司 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Using steady-state diffusion equation analysis ignoring the nucleation at the substrate spatial dimension d≥3, the average monomer capture number σav was found to be σav = (d-2)Ωdrd-2 0 /(1+V) in submonolayer growth of point islands, where Ωd is the area of the d-dimentional unit sphere, r0 is the radius of the point island and V is the scaled variance on the volume of the capture zone. If the variance is negligible compared to 1, this expression coincides with the capture number σ*d := (d-2)Ωdrd-2 0 that reproduces the result of KMC. As R → ∞, further analysis showed that the variance has a dependency on R such as V ~ R-(d-2)/(3d), where R is the ratio of the monomer diffusion rate to the deposition rate. Therefore, V is negligible compared to 1 for sufficiently large R. On the other hand, in the spatial dimension d = 2 the dependence of the variance is V ~ (ln R)-1. It shows a weak dependency compared to the dependency in d≥3. From the above results, the R dependence on the variance V, which had not been discussed in the previous researches, was obtained as R → ∞ in d≥2. |
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書誌情報 |
ja : 電気通信大学紀要 巻 31, 号 1, p. 97-103, 発行日 2019-02-01 |
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出版者 | ||||||
出版者 | 電気通信大学 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-0935 | |||||
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 |