X-ray diffraction from isolated and strongly aligned gas-phase molecules with a free-electron laser
By J. Kupper, S. Stern, L. Holmegaard, F. Filsinger, Arnaud Rouz'ee, A. Rudenko, P. Johnsson, Andrew V. Martin, M. Adolph, A. Aquila and 73 more. 2013
200 citations recorded by the source corpus.
We report experimental results on x-ray diffraction of quantum-state-selected and strongly aligned ensembles of the prototypical asymmetric rotor molecule 2,5-diiodobenzonitrile using the Linac Coherent Light Source. The experiments demonstrate first steps toward a new approach to diffractive imaging of distinct structures of individual, isolated gas-phase molecules. We confirm several key ingredients of single molecule diffraction experiments: the abilities to detect and count individual scattered x-ray photons in single shot diffraction data, to deliver state-selected, e.g., structural-isomer-selected, ensembles of molecules to the x-ray interaction volume, and to strongly align the scattering molecules. Our approach, using ultrashort x-ray pulses, is suitable to study ultrafast dynamics of isolated molecules.
Subfields: Condensed Matter Physics, Nuclear and High Energy Physics, Radiation
View Paper: https://www.semanticscholar.org/paper/f658b314a4e03df15b3affe2f86a856bf490f3e7
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Citations in the corpus
- Quantum control of molecular rotation (2018, background): “Imaging isolated molecules is made possible through diffraction with external sources of femtosecond x-ray pulses (Ho and Santra, 2008; Küpper et al., 2014) or femtosecond electron pulses (Reckenthaeler et al., 2009; Blaga et al., 2012; Hensley, Yang, and Centurion, 2012; Boll et al., 2013).”