کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1683531 | 1010507 | 2007 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Evidence for the bulk nature of self-assembled monolayer surface of fluorinated alkyl thiol from hyperthermal energy ion-surface collisions
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سطوح، پوششها و فیلمها
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Evidence for the bulk nature of self-assembled monolayer surface of fluorinated alkyl thiol from hyperthermal energy ion-surface collisions Evidence for the bulk nature of self-assembled monolayer surface of fluorinated alkyl thiol from hyperthermal energy ion-surface collisions](/preview/png/1683531.png)
چکیده انگلیسی
Kinetic energy distributions of fragment ions from hyperthermal energy collisions of CF3+ ions with a self-assembled monolayer surface of fluorinated alkyl thiol on gold substrate and a LiF surface (vapor deposited on titanium substrate) have been measured as a function of scattering angle and fragment ion mass. These distributions for the thiol surface show two energetically and angularly distinct pathways for the dissociation of CF3+ ions while those from LiF show only one peak. A plot of the velocities of the fragment ions as a Newton diagram for these two processes clearly demonstrates that one process is due to the collision of ions with a fraction of the molecular chain of the monolayer surface molecule with scattering over a broader angular range while the other process is due to collision of the projectile ions with the monolayer surface acting as a bulk surface with fragment ions scattering close to the surface parallel and resembles the Newton diagram from the LiF surface.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 264, Issue 2, November 2007, Pages 400-403
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 264, Issue 2, November 2007, Pages 400-403
نویسندگان
Talayeh Rezayat, Anil K. Shukla,