کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1686186 1010590 2011 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Interaction potentials for modeling of ion-surface scattering
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد سطوح، پوشش‌ها و فیلم‌ها
پیش نمایش صفحه اول مقاله
Interaction potentials for modeling of ion-surface scattering
چکیده انگلیسی

Accurate potential data for system Ar+, С+, Cd+, Kr+, Ne+, Xe+, Zn+–Xe, Ar+–Ar and Ne+–Ne were obtained by analyzing the scattering cross-sections. These data extend the existing database of potentials obtained experimentally. To fit better the existing data, a new analytical form of the potential is proposed. The fitting errors analysis shows that the universal potential can be used only for the systems with nuclear charges Z > 18 and in the region where the distances of closest approach are less than R < 8 af (here af is the Firsov screening length (see below)). The model of individual potentials is suggested, which extends the region of potential application and minimizes the fitting errors.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 269, Issue 9, 1 May 2011, Pages 829–833
نویسندگان
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