Peihao Sun, Jacopo Baglioni, Beatrice Baraldi, Weilong Chen, Daniele Lideo, Lara Piemontese, Francesco Dallari, Marco Di Michiel, Giulio Monaco
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引用次数: 0
摘要
我们演示了一种设置，将快速扫描量热法与同步加速器光束线上的x射线全散射相结合，允许在温度扫描期间和之后对样品的纳米级结构进行原位表征。该装置具有便携式真空室，即使在非晶样品上也能提供高信号与背景比，从而可以观察不同样品状态之间的详细结构变化。我们给出了三个用例，其中一个用例利用了通过这种设置可以实现的104 K s-1的高冷却速率。我们的演示为材料科学的各种应用打开了大门，在材料科学中，理解结构和热力学之间的相互作用是至关重要的。
A low-background setup for in situ X-ray total scattering combined with fast scanning calorimetry.
We demonstrate a setup, combining fast scanning calorimetry with X-ray total scattering at a synchrotron beamline, allowing for in situ characterizations of the nano-scale structure of samples during and after temperature scans. The setup features a portable vacuum chamber providing a high signal-to-background ratio even on amorphous samples, which enables the observation of detailed structural changes between different sample states. We present three use cases, including one that leverages the high cooling rate of 104 K s-1 achievable by this setup. Our demonstration opens the door to various applications in materials science where understanding the interplay between structure and thermodynamics is crucial.
期刊介绍：
Synchrotron radiation research is rapidly expanding with many new sources of radiation being created globally. Synchrotron radiation plays a leading role in pure science and in emerging technologies. The Journal of Synchrotron Radiation provides comprehensive coverage of the entire field of synchrotron radiation and free-electron laser research including instrumentation, theory, computing and scientific applications in areas such as biology, nanoscience and materials science. Rapid publication ensures an up-to-date information resource for scientists and engineers in the field.
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