用黑体辐射测量纳米Pt收缩中的局部加热
Localized heating in nanoscale Pt constrictions measured using blackbody radiation emission
摘要：
使用热发射显微镜，我们调查加热前和电迁移过程中的铂纳米线。观察到导线达到超过1000 K的温度。这超出了许多感兴趣的有机分子的热分解阈值，用于利用电迁移纳米间隙进行单分子测量。黑体光谱的热铂丝的测量和发现同意以及与有限元建模模拟的电和热传输。
英文摘要：
Using thermal emission microscopy, we investigate heating in Pt nanowires before and during electromigration. The wires are observed to reach temperatures in excess of 1000 K. This is beyond the thermal decomposition threshold for many organic molecules of interest for single molecule measurements with electromigrated nanogaps. Blackbody spectra of the hot Pt wires are measured and found to agree well with finite element modeling simulations of the electrical and thermal transport.
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