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MO: Fachverband Molekülphysik

MO 23: Resonant Energy Transfer and Interatomic Coulombic Decay II

MO 23.1: Vortrag

Freitag, 9. März 2018, 10:30–10:45, PA 1.150

Intermolecular decay mechanisms in pure and doped helium nanodroplets — •Aaron LaForge¹, Rupert Michiels¹, Carlo Callegari², Michele Di Fraia², Marcel Drabbels³, Bruno Langbehn⁴, Marcel Mudrich⁵, Veronica Oliver³, Yevheniy Ovcharenko⁴, Oksana Plekan², Kevin Prince², Thomas Möller⁴, and Frank Stienkemeier¹ — ¹Universität Freiburg, GermanY — ²Elettra-Sincrotrone Trieste, Italy — ³EPFL Lausanne, Switzerland — ⁴TU Berlin Germany — ⁵Aarhus University, Denmark

As opposed to molecular systems where electron dynamics proceed only through intramolecular processes, weakly bound complexes create an environment in which locally excited electrons can additionally interact with neighboring molecules leading to new intermolecular decay mechanisms. Here, we present a systematic study of intermolecular decay mechanisms in pure and doped He nanodroplets using free electron laser radiation. When resonantly excited, the nanodroplets can either exchange energy with neighboring He atoms or through the acceptor dopants. By pump-probe techniques combined with photoelectron spectroscopy, we can fully characterize and energetically resolve the different decay paths.