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5 October 2023 Thermal dynamics of atomically sharp tips
Eric O. Potma, Abid A. Sifat
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Proceedings Volume PC12654, Enhanced Spectroscopies and Nanoimaging 2023; PC126540G (2023) https://doi.org/10.1117/12.2678239
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States
Abstract
Upon illumination of the nanojunction formed between an atomically sharp tip and the sample, both the tip and specimen experience heating, followed by thermal expansion. Whereas sample expansion forms the basis of photothermal infrared (PTIR) microscopy, the effect of tip expansion remains unclear. In this contribution we model and measure the tip heating and expansion effect and quantify its contribution under conditions typical for light-based scan probe microscopy.
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Eric O. Potma and Abid A. Sifat "Thermal dynamics of atomically sharp tips", Proc. SPIE PC12654, Enhanced Spectroscopies and Nanoimaging 2023, PC126540G (5 October 2023); https://doi.org/10.1117/12.2678239
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KEYWORDS
Microscopy
Infrared microscopy
Infrared photography
Infrared radiation
Light sources and illumination
Thermography
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