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首页> 外文期刊>Journal of surface investigation: x-ray, synchrotron and neutron techniques >Microwave Impedance of a Tunnel Junction in the Theory of a Near-Field Microscope with Atomic Resolution
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Microwave Impedance of a Tunnel Junction in the Theory of a Near-Field Microscope with Atomic Resolution

机译:原子分辨率近场显微镜理论中隧道结的微波阻抗

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摘要

A theory is constructed for a near-field microwave microscope operating under tunneling breakdown between a probe and a conducting sample. Its informative characteristics are determined by the probe impedance, which is formed from the capacitive impedance Z_p of the near-field probe–sample interaction and tunnel junction impedance Z_t. A technique whereby the impedance Z_p is calculated using coaxial geometry of the probe is developed. Some properties of the impedance Z_t defined via the developed theory and published experimental data are investigated.
机译:为在探针和导电样品之间的隧穿击穿下工作的近场微波显微镜建立了理论。它的信息特性由探针阻抗决定,探针阻抗由近场探针与样品相互作用的电容性阻抗Z_p和隧道结阻抗Z_t构成。开发了一种使用探针的同轴几何来计算阻抗Z_p的技术。研究了通过发展的理论和公开的实验数据定义的阻抗Z_t的一些特性。

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