کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9567301 | 1503713 | 2005 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Atomic-scale theoretical investigations of compound semiconductor surfaces
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Atomic-scale theoretical investigations of clean and covered low-index surfaces of compound semiconductors are presented. Particular emphasis is laid on the role of the electron counting rule (ECR) in governing plausible surface reconstructions. Trends are presented for the characeristic tilt of the topmost atomic layer and the highest localised phonon mode on nonpolar III-V(1Â 1Â 0) surfaces, including III-nitride compounds. Reconstructions and electronic properties of polar surfaces are explained in terms of dimer formation on (0Â 0Â 1), and trimer and/or chain formation on (1Â 1Â 1) faces. It is pointed out that some surface reconstructions stabilise as a result of a balance between the ECR and minimization of adsorbate-induced local distortion. This is demonstrated for the long-range ordered reconstruction on the Sb:GaAs(1Â 1Â 1)B surface.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Surface Science - Volume 244, Issues 1â4, 15 May 2005, Pages 129-136
Journal: Applied Surface Science - Volume 244, Issues 1â4, 15 May 2005, Pages 129-136
نویسندگان
G.P. Srivastava,