کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9830122 | 1524504 | 2005 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Nonlinear dynamics of vicinal surfaces
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Nonlinear dynamics of vicinal surfaces Nonlinear dynamics of vicinal surfaces](/preview/png/9830122.png)
چکیده انگلیسی
We report on step bunching and meandering dynamics on vicinal surfaces during MBE growth. We list four generic meandering scenarios during MBE growth: (i) when adatom desorption is significant, spatio-temporal chaos is found. When desorption is negligible three regimes are found; (ii) meandering with a wavelength which is frozen from the first stages of the instability, but whose amplitude diverges as a power law (t1/2); (iii) endless coarsening in the presence of elastic interactions between the steps; (iv) interrupted coarsening in presence of anisotropy. In the case of step bunching, we analyze two scenarios: (i) when desorption is important, ordered bunches appear. (ii) In the opposite limit, bunches separate, and wide terraces appear.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Crystal Growth - Volume 275, Issues 1â2, 15 February 2005, Pages 56-64
Journal: Journal of Crystal Growth - Volume 275, Issues 1â2, 15 February 2005, Pages 56-64
نویسندگان
O. Pierre-Louis, G. Danker, J. Chang, K. Kassner, C. Misbah,