کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1691552 | 1011319 | 2009 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Sputtering of thin films of bariated molecules of arachidic acid by large noble gas clusters
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سطوح، پوششها و فیلمها
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چکیده انگلیسی
Coarse-grained molecular dynamics computer simulations have been employed to investigate the sputtering process of a multilayer organic system composed of long, well-organized linear molecules induced by an impact of slow clusters composed of large number of noble gas atoms. The organic system is represented by Langmuir-Blodgett multilayers formed from bariated molecules of arachidic acid. The sputtering yield, surface modifications and the angular distributions of ejected species have been analyzed as a function of the kinetic energy of an Ar872 cluster projectile and the thickness of the deposited multilayer. It has been shown that the physics of ejection by these large and slow clusters is distinct from the ejection events stimulated by the popular SIMS clusters: C60, Au3 and SF5. The organic molecules are not ejected by interaction with the energized substrate but by direct interactions with the projectile atoms.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Vacuum - Volume 83, Supplement 1, 1 May 2009, Pages S155-S158
Journal: Vacuum - Volume 83, Supplement 1, 1 May 2009, Pages S155-S158
نویسندگان
L. Rzeznik, R. Paruch, B. Czerwinski, B.J. Garrison, Z. Postawa,