کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9818139 | 1518776 | 2005 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Oxidation of tungsten surface with reactive oxygen plasma
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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
We report on the oxidation of tungsten at different temperatures with an oxygen plasma studied with photoelectron spectroscopy (XPS) and time-of-flight secondary ion mass-spectrometry (ToF-SIMS). The oxidation of the tungsten surface has been performed in a low-temperature oxygen plasma for different time intervals and various substrate temperatures. The stoichiometry of the formed oxide films was evaluated from OÂ 1s and WÂ 4f XPS peak ratio and was found to be independent of the plasma exposure time and the substrate temperature in the investigated range. The ToF-SIMS results show an increased thickness of the surface oxide layer upon increased substrate temperature during oxidation. The raise the substrate temperature in the process of oxide formation also causes the total amount of hydrogen and water bonded in the film structure to be reduced.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 232, Issues 1â4, May 2005, Pages 358-361
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 232, Issues 1â4, May 2005, Pages 358-361
نویسندگان
Andriy Romanyuk, Viktor Melnik, Peter Oelhafen,