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

Author

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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)

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.

Suggested Citation

  • Jie Yang & Joshua Beck & Cornelis J. Uiterwaal & Martin Centurion, 2015. "Imaging of alignment and structural changes of carbon disulfide molecules using ultrafast electron diffraction," Nature Communications, Nature, vol. 6(1), pages 1-9, November.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9172
    DOI: 10.1038/ncomms9172
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