Fast Intersystem Crossing in Transition-Metal Complexes - Condensed Matter > Strongly Correlated ElectronsReport as inadecuate




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Abstract: The mechanism behind fast intersystem crossing in transition-metal complexesis shown to be a result of the dephasing of the photoexcited state to thephonon continuum of a different state with a significantly different transitionmetal-ligand distance. The coupling is a result of the spin-orbit interactioncausing a change in the local moment. Recurrence to the initial state isprevented by the damping of the phonon oscillation. The decay time is fasterthan the oscillation frequency of the transition metal-ligand stretch mode, inagreement with experiment. For energies above the region where the strongestcoupling occurs, a slower -leakage-type- decay is observed. If the photoexcitedstate is lower in energy than the state it couples to, then there is no decay.



Author: Michel van Veenendaal, Jun Chang, A. J. Fedro

Source: https://arxiv.org/



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