کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1687367 | 1010652 | 2006 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Energy dependent sputtering of nanoclusters from a nanodisperse target
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سطوح، پوششها و فیلمها
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Au nanoparticles, prepared by thermal evaporation under high vacuum condition on Si substrate, are irradiated with Au ions at different ion energies. During ion irradiation, embedding of nanoparticles as well as ejection of nanoclusters is observed. Ejected particles due to sputtering are collected on carbon-coated grids. Both the grids and the ion-irradiated samples are analyzed with transmission electron microscopy (TEM) and Rutherford backscattering spectrometry (RBS). Size distribution of the sputtered Au clusters on the TEM grids for different ion energy regimes are presented. In the case of low energy (32Â keV) ions, where the nuclear energy loss is dominant, sputtering is less as compared to medium energy (1.5Â MeV). In the high-energy regime (100Â MeV), where the electronic energy loss is dominant, sputtering is found to be maximum.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 244, Issue 1, March 2006, Pages 278-282
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 244, Issue 1, March 2006, Pages 278-282
نویسندگان
B. Satpati, J. Ghatak, B. Joseph, T. Som, D. Kabiraj, B.N. Dev, P.V. Satyam,