低温下聚乙炔纳米纤维的导电性能

A. B. Kaiser, Y. W. Park
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引用次数: 0

摘要

轻掺杂聚乙炔纳米纤维的电流-电压(I - V)特性表现出很强的非线性。在低温下,I - V特性符合齐纳隧穿,与温度和磁场无关。这些特征表明了一种新的传导机制,该机制涉及在电场存在下共轭键系统的一部分隧穿,从而产生一对带电孤子。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Conduction in Polyacetylene Nanofibers at Low Temperatures
The current‐voltage (I‐V) characteristics of individual nanofibers of lightly‐doped polyacetylene show very strong nonlinearities. At low temperatures the I‐V characteristics are consistent with Zener‐type tunneling, and independent of temperature and magnetic field. These features suggest a novel conduction mechanism that involves tunneling of a segment of the conjugated bond system in the presence of an electric field, creating a pair of charged solitons.
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