Onion-Like Carbon in Microwaves: Electromagnetic Absorption Bands and Percolation Effect

被引：12

作者：

Bychanok, D. S. ^{[1
]}

Moseenkov, S. I. ^{[2
]}

Kuznetsov, V. L. ^{[2
]}

Kuzhir, P. P. ^{[1
]}

Maksimenko, S. A. ^{[1
]}

Batrakov, K. G. ^{[1
]}

Ruhavets, O. V. ^{[3
]}

Gusinski, A. V. ^{[3
]}

Shenderova, O.

Lambin, Ph. ^{[4
]}

机构：

[1] Belarusian State Univ, Inst Nucl Problem, Minsk 220030, BELARUS

[2] RAS, SB, Boreskov Inst Catalysis, Novosibirsk 630090, Russia

[3] Belarusian State Univ Informat & Radioelect, Minsk 220027, BELARUS

[4] FUNDP Univ Namur, B-5000 Namur, Belgium

来源：

JOURNAL OF NANOELECTRONICS AND OPTOELECTRONICS | 2009年 / 4卷 / 02期

关键词：

Electromagnetic Coatings; Microwave; Nanocarbon; Onion Like Carbon;

D O I：

10.1166/jno.2009.1031

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Microwave absorption properties of onion-like carbons (OLC) have been studied in microwave frequency range. A consistent analysis of the electromagnetic (EM) attenuation provided by OLC-based suspensions with variable concentration of OLC has been carried out in Ka-band (26-37 GHz). The first study of spectral features of the given suspensions (7.2-28.6 volume percents of OLC stuff in vaseline) demonstrates that the percolation threshold of OLC is strongly dependent on the average nanocarbon cluster size. It has been found also that raising the annealing temperature of a precursor nanodiamond leads to the enhanced absorption ability of onion-like carbon. The way to manipulate the OLC absorption ability through the OLC cluster size and nanodiamond annealing temperature is proposed for producing the effective EM coatings.

引用

页码：257 / 260

页数：4

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