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Splashing of Large Helium Nanodroplets Upon Surface Collisions Open

Paul Martini, Simon Albertini, Felix Laimer, Miriam Meyer, Michael Gatchell , et al. · 2021

In the present work we observe that helium nanodroplets colliding with surfaces can exhibit splashing in a way that is analogous to classical liquids. We use transmission electron microscopy and mass spectrometry to demonstrate that neutra…

Chemistry and physics of dopants embedded in helium droplets Open

Simon Albertini, Elisabeth Gruber, Fábio Zappa, Serge A. Krasnokutski, Felix Laimer , et al. · 2021

Helium droplets represent a cold inert matrix, free of walls with outstanding properties to grow complexes and clusters at conditions that are perfect to simulate cold and dense regions of the interstellar medium. At sub‐Kelvin temperature…

Roadmap on dynamics of molecules and clusters in the gas phase Open

Henning Zettergren, Alicja Domaracka, Thomas Schlathölter, P. Bolognesi, Sergio Díaz‐Tendero , et al. · 2021

SF<sub>6</sub><sup>+</sup>: Stabilizing Transient Ions in Helium Nanodroplets Open

Simon Albertini, Stefan Bergmeister, Felix Laimer, Paul Martini, Elisabeth Gruber , et al. · 2021

There are myriad ions that are deemed too short-lived to be experimentally accessible. One of them is SF₆⁺. It has never been observed, although not for lack of trying. We demonstrate that long-lived SF₆

Electronic transitions in Rb2+ dimers solvated in helium Open

Simon Albertini, Paul Martini, Arne Schiller, Harald Schöbel, Elham Ghavidel , et al. · 2021

We have measured depletion spectra of the heteronuclear ( 85 Rb 87 Rb + ) dimer cation complexed with up to 10 He atoms. Two absorption bands are observed between 920 and 250 nm. The transition into the repulsive 1 2 Σ u + state of HeRb 2 …

On the stability of neon cluster ions – Evidence for isomeric structures Open

Siegfried Kollotzek, Stefan Bergmeister, Lukas Tiefenthaler, Simon Albertini, Elisabeth Gruber , et al. · 2021

We have adopted the newly developed technique of growing cationic clusters in size-to-charge selected helium nanodroplets (HNDs), with subsequent removal of helium in a collision cell, to record high-resolution mass spectra of Nen+. Growth…

Phosphorus cluster cations formed in doped helium nanodroplets are different Open

Simon Albertini, Faro Hechenberger, Siegfried Kollotzek, Lukas Tiefenthaler, Paul Martini , et al. · 2020

An intense source for cold cluster ions of a specific composition Open

Lukas Tiefenthaler, João Ameixa, Paul Martini, Simon Albertini, Lorenz Ballauf , et al. · 2020

The demand for nanoscale materials of ultra-high purity and narrow size distribution is addressed. Clusters of Au, C60, H2O, and serine are produced inside helium nanodroplets using a combination of ionization, mass filtering, collisions w…

Modulating Bioactivity with Gold Nanoparticles Open

Simon Albertini, Felix Laimer, Lukas Tiefenthaler, Sarah Flatscher, Fábio Zappa , et al. · 2020

Ionization of large helium nanodroplets Open

Linnea Lundberg, Felix Laimer, Paul Martini, Lorenz Kranabetter, Lukas Tiefenthaler , et al. · 2020

Synopsis We have produced and mass-selected large, highly charged helium droplets containing up to 10 10 He atoms and several tens of charges. They are stable with both multiple positive and negative charge carriers and are stabilized by l…

Highly Charged Droplets of Superfluid Helium Open

Felix Laimer, Lorenz Kranabetter, Lukas Tiefenthaler, Simon Albertini, Fábio Zappa , et al. · 2019

We report on the production and study of stable, highly charged droplets of superfluid helium. Using a novel experimental setup we produce neutral beams of liquid helium nanodroplets containing millions of atoms or more that can be ionized…