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The Multimeter at the Nanoscale: Charge transport at the nanoscale measured by a multi-tip scanning probe microscope

机译:纳米级的万用表:通过多尖端扫描探针显微镜测量的纳米级电荷传输

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摘要

A multi-tip scanning tunneling microscope (STM) specifically designed for charge transport measurements at the nanoscale is described. Complementing the instrument with a versatile measurement electronics creates a powerful tool to give insight into fundamental transport properties at the nanoscale. We demonstrate the capabilities of the instrument by measuring resistance profiles along freestanding GaAs nanowires, by the acquisition of nanoscale potential maps, and by the identification of an anisotropy in the surface conductivity at a silicon surface.
机译:描述了一种专门设计用于纳米级电荷传输测量的多尖端扫描隧道显微镜(STM)。用通用的测量电子设备对仪器进行补充,可以创建功能强大的工具,从而洞悉纳米级的基本传输特性。我们通过测量沿独立式GaAs纳米线的电阻曲线,通过获取纳米级电势图以及通过识别硅表面的表面电导率各向异性来证明该仪器的功能。

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