Charge transport in mesoscopic carbon network structures

被引:0
|
作者
Ksenevich, V [1 ]
Galibert, J [1 ]
Samuilov, V [1 ]
Seo, YS [1 ]
Sokolov, J [1 ]
Rafailovich, M [1 ]
机构
[1] Belarusian State Univ, Dept Phys, Minsk 220080, BELARUS
来源
NANOPATTERNING-FROM ULTRALARGE-SCALE INTERGRATION TO BIOTECHNOLOGY | 2002年 / 705卷
关键词
D O I
暂无
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
The charge transport and quantum interference effects in low dimensional mesoscopic carbon networks prepared using self-assembling were investigated. The mechanism of conduction in low dimensional carbon networks was found to depend on the annealing temperature of the nitrocellulose precursor. The charge transport mechanism for carbon networks obtained at T-ann=750degreesC was found to be the hopping conductivity in the entire investigated temperature range. The Coulomb gap near the Fermi level in the density of states was observed in the investigated carbon networks. The width of the Coulomb gap was found to be decreased with the annealing temperature of the carbon structures. The crossover from the strong localization to the weak localization regime of the charge transport in the carbon structures, obtained at T-ann=950degreesC and T-ann=1150degreesC, was observed in the temperature range T>100 K arid T>20 K, respectively.
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页码:227 / 233
页数:7
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