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https://elib.bsu.by/handle/123456789/98580
Заглавие документа: | Effect of nitrogen doping on the electromagnetic properties of carbon nanotube-based composites |
Авторы: | Kanygin, M. A. Sedelnikova, O. V. Asanov, I. P. Bulusheva, L. G. Okotrub, A. V. Kuzhir, P. P. Plyushch, A. O. Maksimenko, S. A. Lapko, K. N. Sokol, A. A. Ivashkevich, O. A. Lambin, Ph. |
Тема: | ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика |
Дата публикации: | 24-июн-2014 |
Аннотация: | (Received 4 February 2013; accepted 25 March 2013; published online 12 April 2013) Nitrogen-doped and pure carbon nanotube (CNT) based composites were fabricated for investigating their dielectric properties in static regime as well as electromagnetic response properties in microwave frequency range (Ka-band). Two classes of host matrix—polystyrene and phosphate unfired ceramics—have been used for composites fabrication. The study reveals miscellaneous effect of nitrogen doping on the dielectric permittivity, dc conductivity and electromagnetic interference shielding efficiency of CNT-based composites, produced with both polymer and ceramic matrices. The high-frequency polarizability, estimated for different-length CNTs, and static polarizability, calculated for nitrogen-containing CNT models using a quantum- chemical approach, show that this effect results from a decrease of the nanotube defect-free-length and deterioration of the polarizability with incorporation of nitrogen in pyridinic form. V C 2013 AIP Publishing LLC [http://dx.doi.org/10.1063/1.4800897] |
Доп. сведения: | Citation: J. Appl. Phys. 113, 144315 (2013); doi: 10.1063/1.4800897 |
URI документа: | http://elib.bsu.by/handle/123456789/98580 |
Регистрационный номер: | doi: 10.1063/1.4800897 |
Располагается в коллекциях: | Статьи НИУ «Институт ядерных проблем» |
Полный текст документа:
Файл | Описание | Размер | Формат | |
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_ojpstmp_stampPdf_d_12T11_19_JAPIAU_113_14_144315_1.pdf | 1,78 MB | Adobe PDF | Открыть |
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