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Atto Fridays 

Seminar Series


​09 December 2022

Atomic imaging of complex and chiral molecular structure with laser-induced electron diffraction and machine learning

Dr. Xinyao Liu
The Institute of Photonic Sciences, Barcelona, Spain

xinyao.liu@icfo.eu



Laser-induced electron diffraction (LIED) is a method coined “molecular selfie” that allows pinpointing of the individual atoms inside a single molecule and captures the dynamics where the atoms move during a reaction with the picometer and attosecond spatiotemporal resolutions. A general difficulty for diffraction-based imaging methods is the necessity to extract the molecular configurations from the measured diffraction patterns, which relies on identifying a global extremum in a multi-dimensional solution space. Here, we show how laser-induced electron diffraction (LIED) techniques combined with convolutional neural networks (CNNs) enable atomic-resolution imaging of the complex chiral molecule Fenchone.

[1] Liu, X., Amini, K., Sanchez, A. et al. Machine learning for laser-induced electron diffraction imaging of molecular structures. Commun Chem 4, 154 (2021).


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  • Home
  • Workshop 2023
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