Quantum-state controlled reaction channels in chemi-ionization processes: radiative (optical–physical) and exchange (oxidative–chemical) mechanisms

S Falcinelli, JM Farrar, F Vecchiocattivi… - Accounts of Chemical …, 2020 - ACS Publications
Conspectus Most chemical processes are triggered by electron or charge transfer
phenomena (CT). An important class of processes involving CT are chemi-ionization …

The role of precursor states in the stereo-dynamics of elementary processes

S Falcinelli, D Cappelletti, F Vecchiocattivi… - Physical Chemistry …, 2023 - pubs.rsc.org
The present perspective review focuses on the role of the precursor state, controlling the
dynamical evolution of elementary processes, whose structure and stability are often difficult …

Quantum-state-controlled channel branching in cold Ne(3P2)+Ar chemi-ionization

SDS Gordon, JJ Omiste, J Zou, S Tanteri, P Brumer… - Nature …, 2018 - nature.com
A prerequisite to gain a complete understanding of the most basic aspects of chemical
reactions is the ability to perform experiments with complete control over the reactant …

Sub-Kelvin Stereodynamics of the Reaction

J Zou, SDS Gordon, A Osterwalder - Physical Review Letters, 2019 - APS
We present an experimental study of the low-energy stereodynamics of the Ne (P 3 2)+ N 2
reaction. Supersonic expansions of the two reactants are superposed in a merged beam …

Adiabatic and nonadiabatic effects in the transition states of state to state autoionization processes

S Falcinelli, F Vecchiocattivi, F Pirani - Physical Review Letters, 2018 - APS
The energy distribution of electrons, emitted from collisions between Ne*(P 3 2, 0) and Kr (S
1 0), have been measured under high resolution conditions in a crossed molecular beam …

General treatment for stereo-dynamics of state-to-state chemi-ionization reactions

S Falcinelli, F Vecchiocattivi, F Pirani - Communications Chemistry, 2020 - nature.com
The investigation of chemi-ionization processes provides unique information on how the
reaction dynamics depend on the energy and structure of the transition state which relate to …

Rotational–vibrational resonance states

AG Császár, I Simkó, T Szidarovszky… - Physical Chemistry …, 2020 - pubs.rsc.org
Resonance states are characterized by an energy that is above the lowest dissociation
threshold of the potential energy hypersurface of the system and thus resonances have finite …

Selectivity of weak intermolecular forces and precursor state of elementary oxidation reactions, a new insight on Ne* + N2 chemiionization

S Falcinelli, F Vecchiocattivi, F Pirani - Scientific Reports, 2021 - nature.com
This paper reports on the collision dynamics of N2 with metastable Ne* promoting
chemiionizations, prototype of barrier-less oxidation reactions of great interest for …

Controlling the spin–orbit branching fraction in molecular collisions

CG Heid, IP Bentham, V Walpole… - The Journal of …, 2020 - ACS Publications
The collision geometry, that is, the relative orientation of reactants before interaction, can
have a large effect on how a collision or reaction proceeds. Certain geometries may prevent …

A magnetically focused molecular beam source for deposition of spin-polarised molecular surface layers

C Krüger, E Lisitsin-Baranovsky, O Ofer… - The Journal of …, 2018 - pubs.aip.org
Separating molecular spin isomers is a challenging task, with potential applications in
various fields ranging from astrochemistry to magnetic resonance imaging. A new promising …