کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5356873 1388209 2011 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Growth characteristics of inclined columns produced by Glancing Angle Deposition (GLAD) and colloidal lithography
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
Growth characteristics of inclined columns produced by Glancing Angle Deposition (GLAD) and colloidal lithography
چکیده انگلیسی
Nanocolumns were produced by performing Glancing Angle Deposition (GLAD) onto self-assembled template arrays consisting of platinum coated polystyrene spheres. By varying the angle of incidence (θ = 35°, 10° and 5°) and the deposited surface mass density it was possible to control the shape of the individual columns. The changes in column shape as function of the amount of mass deposited on the respective surfaces were characterized by monitoring the increase in the length and width of the structures. Interestingly the column shape development followed a power law behaviour. The power law exponents retrieved from the length and width increment as function of the deposited surface mass density decreased from 1.06 to 0.46 and 0.71 to 0.09, respectively, as θ changed from 35° to 5°. The changes in the power law exponents indicate that the growth of the nano-columns is influenced by both surface diffusion and shadowing effects. A detailed understanding of the underlying processes governing the nanocolumn growth might be utilized in the design of new functional nanomaterials.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Surface Science - Volume 257, Issue 6, 1 January 2011, Pages 2226-2230
نویسندگان
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