کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9818374 | 1518780 | 2005 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
MD simulation of surface smoothing due to cluster impact: estimation of radiation damage
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سطوح، پوششها و فیلمها
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
The radiation damage of irradiated surfaces by cluster ion with a few eV/atom is studied through molecular dynamics simulations, where (Ar)3055 clusters with 3-10Â eV/atom are bombarded on a rough Cu surface. Since energetic primary knock-on atoms are not created by the big cluster bombardment with a few eV/atom, the Frenkel pair is not observed. However, we found some vacancy, dislocation and stacking fault beneath the irradiated surface. These defects are generated by the plastic deformation and the melting of the surface, because the big cluster impact produces very high particle and energy densities in a small impact region.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 228, Issues 1â4, January 2005, Pages 1-8
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 228, Issues 1â4, January 2005, Pages 1-8
نویسندگان
T. Muramoto, K. Itabasi, Y. Yamamura,