Imaging of alignment and structural changes of carbon disulfide molecules using ultrafast electron diffraction

Jie Yang, Joshua Beck, Cornelis J. Uiterwaal and Martin Centurion ()
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Jie Yang: University of Nebraska-Lincoln
Joshua Beck: University of Nebraska-Lincoln
Cornelis J. Uiterwaal: University of Nebraska-Lincoln
Martin Centurion: University of Nebraska-Lincoln

Nature Communications, 2015, vol. 6, issue 1, 1-9

Abstract: Abstract Imaging the structure of molecules in transient-excited states remains a challenge due to the extreme requirements for spatial and temporal resolution. Ultrafast electron diffraction from aligned molecules provides atomic resolution and allows for the retrieval of structural information without the need to rely on theoretical models. Here we use ultrafast electron diffraction from aligned molecules and femtosecond laser mass spectrometry to investigate the dynamics in carbon disulfide following the interaction with an intense femtosecond laser pulse. We observe that the degree of alignment reaches an upper limit at laser intensities below the ionization threshold, and find evidence of structural deformation, dissociation and ionization at higher laser intensities.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9172

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DOI: 10.1038/ncomms9172

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