Electron transfer mediated decay of alkali dimers attached to He nanodroplets
arXiv:2003.05173 · doi:10.1039/D0CP00256A
Abstract
Alkali metal dimers attached to the surface of helium nanodroplets are found to be efficiently doubly ionized by electron transfer-mediated decay (ETMD) when photoionizing the helium droplets. This process is evidenced by detecting in coincidence two energetic ions created by Coulomb explosion and one low-kinetic energy electron. The kinetic energy spectra of ions and electrons are reproduced by simple model calculations based on diatomic potential energy curves, and are in agreement with ab initio calculations for the He-Na_2 and He-KRb systems. This work demonstrates that ETMD is an important decay channel in heterogeneous nanosystems exposed to ionizing radiation.
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- Time-resolved study of resonant interatomic Coulombic decay in helium nanodroplets
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- Time-resolved Ultrafast Interatomic Coulombic Decay in Superexcited Sodium-doped Helium Nanodroplets
- Dopant ionization and efficiency of ion and electron ejection from helium nanodroplets
- Decay Processes in Cationic Alkali Metals in Microsolvated Clusters: A Complex Absorbing Potential Based Equation-of-Motion Coupled Cluster Investigation
- A new endstation for extreme-ultraviolet spectroscopy of free clusters and nanodroplets