Communication: Electron diffraction of ferrocene in superfluid helium droplets Public Deposited

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  • We report electron diffraction of ferrocene doped in superfluid helium droplets. By taking advantage of the velocity slip in our pulsed droplet beam using a pulsed electron gun, and by doping with a high concentration of ferrocene delivered via a pulsed valve, we can obtain high quality diffraction images from singly doped droplets. Under the optimal doping conditions, 80% of the droplets sampled in the electron beam are doped with just one ferrocene molecule. Extension of this size selection method to dopant clusters has also been demonstrated. However, incomplete separation of dopant clusters might require deconvolution and modeling of the doping process. This method can be used for studies of nucleation processes in superfluid helium droplets.
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  • Zhang, J., He, Y., & Kong, W. (2016). Communication: Electron diffraction of ferrocene in superfluid helium droplets. The Journal of Chemical Physics, 144(22), 221101. doi:10.1063/1.4953250
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