کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5420056 | 1507412 | 2006 | 44 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
General trends of the carbon penetration in Si(0Â 0Â 1) surfaces: influences of relevant parameters
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی تئوریک و عملی
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چکیده انگلیسی
Due to its importance in Si-based devices, carbon incorporation in a silicon matrix has become an object of intensive research. However, the size difference between carbon and silicon makes this incorporation difficult, and only small amounts of carbon (a few percent) can be introduced without giving rise to SiC precipitation. Experimental and theoretical studies combined together have led to important progress in the general understanding of surface-subsurface carbon incorporation in the clean and hydrogenated Si(0 0 1) reconstructed surfaces. These results emphasize the role of the surface reconstruction and the carbon-carbon interactions. However, the Si(0 0 1) surface often presents defects such as dimer vacancies or ad-dimers. By modifying the local stress, these defects can play an important role in carbon incorporation. We review the results of recent studies and discuss the role of different relevant parameters such as local stress, carbon-defect interactions, carbon concentration, position and orientation of the defects, defect-defect distance, defect concentration⦠Finally, we show how, acting on the surface defects, one might improve carbon penetration in Si(0 0 1) and allow a better control of the carbon position in the subsurface layers.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Progress in Surface Science - Volume 81, Issues 10â12, 2006, Pages 444-487
Journal: Progress in Surface Science - Volume 81, Issues 10â12, 2006, Pages 444-487
نویسندگان
Philippe Sonnet, Louise Stauffer,