کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1685245 | 1010550 | 2009 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
K X-ray emission induced by 12C4+ and 16O5+ ion impact on selected lanthanoids
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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: K X-ray emission induced by 12C4+ and 16O5+ ion impact on selected lanthanoids K X-ray emission induced by 12C4+ and 16O5+ ion impact on selected lanthanoids](/preview/png/1685245.png)
چکیده انگلیسی
Measurements of K-shell X-ray production cross sections by 12C4+ (beam energies between 12 MeV and 14 MeV), and 16O5+ ions (with energies between 12.5 MeV and 15 MeV) are presented. The target elements were selected lanthanoids (Ce, Gd, Dy, Ho and Er). The resulting measurements are evaluated through comparisons with the eECPSShsR-UA theory, the MECPSSR model and the adiabatic perturbation (also known as direct molecular orbital, MO) theory, using a scaling based on the reduced velocity parameter ξKR. Consideration is given to multiple ionization effects and electron capture contribution to K-shell ionization. An evaluation with previously published values is also given. It is shown that the behavior of the ratios of experimental to theoretical cross sections is different for both ions. The models do not seem to be accurate to predict the X-ray production cross sections for 12C4+ ions, while the MECPSSR theory predicts much better the experimental data for 16O5+ than the eECPSShsR-UA.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 267, Issue 10, 15 May 2009, Pages 1767-1771
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 267, Issue 10, 15 May 2009, Pages 1767-1771
نویسندگان
J. Reyes-Herrera, J. Miranda,