Ultrafast inter-ionic charge transfer of transition-metal complexes mapped by femtosecond x-ray powder diffractionF. Zamponi, B. Freyer, V. Juvé, J. Stingl, M. Woerner, M. Chergui and T. ElsaesserEPJ Web of Conferences, 41 (2013) 05046DOI: https://doi.org/10.1051/epjconf/20134105046