富勒烯的X射线诱导分子电子光谱的主要特征
Prevailing features of X-ray induced molecular electron spectra revealed with fullerenes
摘要:
来自分子的短而强的脉冲的强烈的X射线光吸收触发复杂的电子和随后的离子动力学,导致难以解释的光电子谱。照亮富勒烯提供了一种分离电子动力学的方法。此外,富勒烯笼在空间上限制了光电子和俄歇电子的起源。连同在X射线自由电子激光可用的强度的光过程的顺序性质,这允许一个非常详细的解释的光电子光谱,我们将证明。衍生的一般功能可以作为一个范例,在其他大分子或集群的定义不太明确的情况下。
英文摘要:
Intense X-ray photo-absorption from short and intense pulses by a molecule triggers complicated electron and subsequently ion dynamics leading to photo-electron spectra which are difficult to interpret. Illuminating fullerenes offers a way to separate out the electron dynamics. Moreover, the fullerene cage confines spatially the origin of photo and Auger electrons. Together with the sequential nature of the photo processes at intensities available at X-ray free electron lasers, this allows for a remarkably detailed interpretation of the photo-electron spectra as we will demonstrate. The general features derived can serve as a paradigm for less well-defined situations in other large molecules or clusters.
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