一个有机的thyristor
1Department of Applied Physics, Waseda University, Tokyo 169-8555, Japan.
Nature
|September 24, 2005
概括
研究人员在一款新的有机电子设备中发现了一种巨大的非线性电阻效应. 这种有机thyristor作为逆变器,将直流转换为交流电,为电子应用提供了新的可能性.
科学领域:
- 凝聚物质物理学 凝聚物质物理学
- 材料科学 材料科学 材料科学
- 有机电子 有机电子
背景情况:
- 提里斯托是具有双可变电阻的非线性电子设备,对于逆变器和功率控制至关重要.
- 非线性电阻材料对于实用电子和基础物理研究至关重要.
- 传统的thyristors依赖于p-n连接接口接口效应来实现它们的非线性行为.
研究的目的:
- 报告在导电性有机盐中发现了一个巨大的非线性电阻效应.
- 为了描述这种有机材料的电压电流特性.
- 探索有机材料作为内在电阻器的潜力.
主要方法:
- 研究了导电性有机盐的theta-(BEDT-TTF) 2CsCo ((SCN) 4.
- 分析了材料的电压电流特性.
- 将观察到的非线性电阻与常规电阻器进行比较.
主要成果:
- 有机盐theta-{BEDT-TTF) 2CsCo{SCN) 4表现出一个巨大的非线性电阻效应.
- 它的电压-电流特征模仿了传统电阻电阻的特征.
- 该材料作为内在的有机thyristor,作为直接到交流电转换器的功能.
结论:
- 发现的有机物质表现出类似于thyristor的行为作为一个散装现象,不依赖p-n连接.
- 该效应归因于电流诱导的绝缘电荷顺序域的化.
- 这一发现为新的有机电子设备和基本物理研究开辟了道路.
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