Articles with "velocity map" as a keyword



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Velocity map ion imaging study of Ar 2 + photodissociation

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Published in 2017 at "Chemical Physics Letters"

DOI: 10.1016/j.cplett.2017.01.042

Abstract: Abstract The argon dimer cation is produced in a plasma generated by a laser spark in a supersonic expansion. The cold ions are mass selected and investigated by photodissociation at 355 nm, with velocity map imaging… read more here.

Keywords: photodissociation; velocity map; map ion; ion imaging ... See more keywords
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Velocity Map Imaging VUV Angle-Resolved Photoemission on Isolated Nanosystems: Case of Gold Nanoparticles

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Published in 2020 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.0c08152

Abstract: We present an angle-resolved photoelectron spectroscopy study on isolated gold nanoparticles in the photon energy range between 6 and 12 eV performed at the DESIRS beamline of Synchrotron SOLEIL wi... read more here.

Keywords: gold nanoparticles; velocity map; angle resolved; map imaging ... See more keywords
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Photoelectron spectra of Al2O2- and Al3O3-via slow electron velocity-map imaging.

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Published in 2019 at "Faraday discussions"

DOI: 10.1039/c8fd00165k

Abstract: High-resolution photoelectron spectra of cryogenically-cooled Al2O2- and Al3O3- cluster anions are obtained using slow electron velocity-map imaging. These spectra show vibrationally-resolved detachment from the (X[combining tilde]2B3u) ground state of Al2O2- to the X[combining tilde]1Ag and… read more here.

Keywords: slow electron; velocity map; photoelectron spectra; electron ... See more keywords
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Multi-mass velocity-map imaging studies of photoinduced and electron-induced chemistry.

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Published in 2019 at "Chemical communications"

DOI: 10.1039/c9cc02426c

Abstract: Multi-mass velocity-map imaging (VMI) is becoming established as a promising method for probing the dynamics of a variety of gas-phase chemical processes. We provide an overview of velocity-map imaging and multi-mass velocity-map imaging techniques, highlighting… read more here.

Keywords: velocity map; chemistry; multi mass; map imaging ... See more keywords
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Velocity map images from surface-hopping; reactive scattering of OH (2Σ+) + H2 (1Σ+g).

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Published in 2022 at "Chemical communications"

DOI: 10.1039/d2cc03368b

Abstract: We study OH(Σ) + H2 → H2O(X) + H reactive scattering using two potential energy models found in the literature. We analyze the quenching channels and generate velocity map images (VMI) by simulating quantum-classical trajectories… read more here.

Keywords: map images; images surface; velocity map; reactive scattering ... See more keywords
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A co-axial velocity map imaging spectrometer for electrons

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Published in 2018 at "AIP Advances"

DOI: 10.1063/1.5046192

Abstract: We present the design of an electron velocity map imaging (VMI) spectrometer where the ionizing laser source propagates along the symmetry axis of the spectrometer. The co-axial geometry is useful in a variety of experiments,… read more here.

Keywords: velocity map; vmi; geometry; spectrometer ... See more keywords
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A velocity map imaging study of multiphoton photodissociation and photoionisation dynamics in niobium oxide, NbO

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Published in 2020 at "Molecular Physics"

DOI: 10.1080/00268976.2020.1821924

Abstract: Velocity map imaging has transformed our capabilities in terms of determining photofragmentation and photoionisation thresholds. Here, we present an investigation into the multi-photon dissociation and photoionisation dynamics of niobium monoxide (NbO) probed using velocity-map imaging… read more here.

Keywords: dynamics niobium; map imaging; photoionisation dynamics; velocity map ... See more keywords
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A compact electrostatic lens for velocity map imaging experiments

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Published in 2021 at "Molecular Physics"

DOI: 10.1080/00268976.2021.1910357

Abstract: The traditional three-electrode Velocity Map Imaging (VMI) electrostatic lens developed by Eppink and Parker has proven to be a useful tool in a wide range of applications in molecular dynamics, including photodissociation experiments taking place… read more here.

Keywords: electrostatic lens; vmi lens; velocity map; map imaging ... See more keywords