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APS -APS March Meeting 2017 - Event - Scanning thermal microscopy using electrical measurements

机译:APS -APS 2017年3月会议-活动-使用电子测量扫描热显微镜

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The local temperature and voltage of a quantum system out of equilibrium is defined via a floating probefootnote{Abhay Shastry and Charles Stafford, Physical Review B 94, 155433 (2016)} operating in the tunneling regime.However, experimental difficulties in thermally isolating the probe have limited the spatial resolution of scanning thermal microscopy.We now propose a method to measure the temperature using only electrical measurements in systems obeying the Wiedemann-Franz law. The method significantly advances the spatial resolution and accuracy of scanning thermal microscopy, bringing it to the previously inaccessible tunneling regime.
机译:通过浮动探针脚注{Abhay Shastry and Charles Stafford,Physical Review B 94,155433(2016)}定义了在隧穿状态下工作的量子系统的局部温度和电压的不平衡状态。限制了扫描热显微镜的空间分辨率。现在,我们提出一种在遵循Wiedemann-Franz定律的系统中仅使用电测量来测量温度的方法。该方法显着提高了扫描热显微镜的空间分辨率和准确性,使其进入了以前无法接近的隧穿状态。

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