کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1506181 | 993784 | 2009 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Onion-like-carbon-based composite films: Theoretical modeling of electromagnetic response
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
A semi-empirical microscopic calculation of the dielectric permittivity of a thin film containing onion like carbons (OLC) has been performed. The theoretical data are found to be in quantitative agreement with Maxwell-Garnett theory and they agree qualitatively with results of a recent experimental dielectric analysis of OLC-based PMMA composites, also reported in this paper. For future applications of effective-medium theories, a simplified model of OLC cluster chains, viewed as conductive corrugated cylinders, has been developed. A perfect agreement between the polarizabilities obtained by the continuous-medium model and by full atomistic calculations is reported. This observation opens the possibility to use simplified electrostatic models to mimic complex OLC aggregates, especially in a polymer composite.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Solid State Sciences - Volume 11, Issue 10, October 2009, Pages 1752-1756
Journal: Solid State Sciences - Volume 11, Issue 10, October 2009, Pages 1752-1756
نویسندگان
F. Moreau, R. Langlet, Ph. Lambin, P.P. Kuzhir, D.S. Bychanok, S.A. Maksimenko,