Unusual carrier dynamics in disordered quasi-1D systems: not so unusual

被引：0
|
作者：
Martens, HCF
Hilt, O
Brom, HB
de Leeuw, DM
Menon, R
机构：
[1] Leiden Univ, Kamerlingh Onnes Lab, NL-2300 RA Leiden, Netherlands
[2] Philips Res, NL-5656 AA Eindhoven, Netherlands
[3] Indian Inst Sci, Dept Phys, Bangalore 560012, Karnataka, India
来源：
SYNTHETIC METALS | 2001年 / 119卷 / 1-3期
关键词：
polypyrrole; polyaniline; graphite and related compounds; metal-insulator phase transitions; transport measurements;
D O I：
10.1016/S0379-6779(00)01277-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Charge transport in conducting polymers and single-walled carbon nanotubes is studied by means of complex dielectric spectroscopy down to 2 K. The negative dielectric constants, low plasma freqeuncies, and anomalously long relaxation times can be understood in terms of a low density of delocalized states near the Fermi level, which stems from the competition between disorder-driven localization and interchain charge transfer.
引用
收藏
页码：423 / 424
页数：2
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