Ultrafast spin crossover in a single crystal
1 Departments of Chemistry and Physics, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada
2 Center for Free Electron Laser Science, Max Planck Institute for the Structure and Dynamics of Matter, Bld. 99, Luruper Chaussee 149, 22761 Hamburg, Germany
3 European XFEL GmbH, Holzkoppel 4, 22869 Schenefeld, Germany
* Corresponding author: firstname.lastname@example.org
Published online: 16 April 2019
Femtosecond spectroscopy and electron diffraction are used to characterize spin crossover in single crystal iron(II)-tris(bipyridine)-bis(hexafluorophosphate). The high-spin lifetime is reduced compared to in solution. Preliminary electron diffraction experiments show evidence of ultrafast Fe-N bond elongation associated with spin crossover and the subsequent molecular reorganization resulting from vibrational cooling.
© The Authors, published by EDP Sciences, 2019