Pure Molecular Beam of Water Dimer

Spatial separation of water dimers from water monomers and larger water clusters through the electric deflector is presented. A beam of water dimers with 93% purity and a rotational temperature of 1.5 K was obtained. Following strong-field ionization using a 35 fs laser pulse with a wavelength cente...

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Bibliographic Details
Published in:The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory Molecules, spectroscopy, kinetics, environment, & general theory, 2019-08, Vol.123 (34), p.7486-7490
Main Authors: Bieker, Helen, Onvlee, Jolijn, Johny, Melby, He, Lanhai, Kierspel, Thomas, Trippel, Sebastian, Horke, Daniel A, Küpper, Jochen
Format: Article
Language:English
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Summary:Spatial separation of water dimers from water monomers and larger water clusters through the electric deflector is presented. A beam of water dimers with 93% purity and a rotational temperature of 1.5 K was obtained. Following strong-field ionization using a 35 fs laser pulse with a wavelength centered around 800 nm and a peak intensity of 1014 W/cm2, we observed proton transfer and 46% of ionized water dimers broke apart into hydronium ions H3O+ and neutral OH.
ISSN:1089-5639
1520-5215
DOI:10.1021/acs.jpca.9b06460