Zobrazeno 1 - 10
of 96
pro vyhledávání: '"Fabio Zappa"'
Autor:
Miriam Kappe, Paul Martini, Arne Schiller, Elisabeth Gruber, Fabio Zappa, Serge A. Krasnokutski, Paul Scheier, Michael Gatchell
Publikováno v:
Physical Review Research, Vol 6, Iss 1, p L012045 (2024)
We present measurements of the electronic absorption spectrum of He-tagged buckminsterfullerene anions, C_{60}^{−}. Using a technique that allows for the efficient tagging of complex molecular anions with He, we achieve atomically resolved action s
Externí odkaz:
https://doaj.org/article/b7918c92561d4352a301df35a5bdb60f
Autor:
Felix Duensing, Faro Hechenberger, Lorenz Ballauf, Anna Maria Reider, Alexander Menzel, Fabio Zappa, Timo Dittmar, Diethard K. Böhme, Paul Scheier
Publikováno v:
Nuclear Materials and Energy, Vol 30, Iss , Pp 101110- (2022)
Our Surface-Time-Of-Flight (SurfTOF) tandem mass spectrometer apparatus has been employed in a comparative investigation of ion sputtering induced by mono-energetic D+ and He+ ion beams impinging on a Be surface at 700 K with impact energies from 5 t
Externí odkaz:
https://doaj.org/article/73a6eab4bb46413da6bb9a82ec2c279f
Autor:
Miriam Kappe, Florent Calvo, Johannes Schöntag, Holger F. Bettinger, Serge Krasnokutski, Martin Kuhn, Elisabeth Gruber, Fabio Zappa, Paul Scheier, Olof Echt
Publikováno v:
Molecules, Vol 27, Iss 19, p 6764 (2022)
The adsorption of helium on charged hexabenzocoronene (Hbc, C42H18), a planar polycyclic aromatic hydrocarbon (PAH) molecule of D6h symmetry, was investigated by a combination of high-resolution mass spectrometry and classical and quantum computation
Externí odkaz:
https://doaj.org/article/11ef7eeccc884bbb98c97e34bace4401
Autor:
Stefan Bergmeister, Siegfried Kollotzek, Florent Calvo, Elisabeth Gruber, Fabio Zappa, Paul Scheier, Olof Echt
Publikováno v:
Molecules, Vol 27, Iss 15, p 4937 (2022)
The adsorption of helium or hydrogen on cationic triphenylene (TPL, C18H12), a planar polycyclic aromatic hydrocarbon (PAH) molecule, and of helium on cationic 1,3,5-triphenylbenzene (TPB, C24H18), a propeller-shaped PAH, is studied by a combination
Externí odkaz:
https://doaj.org/article/99ccd83cc359495fb3f3ac22a1ebccb1
Publikováno v:
Atoms, Vol 9, Iss 4, p 74 (2021)
A beam of size-selected charged helium droplets was crossed with an electron beam, and the ion efficiency curves for the product droplets in all different charge states were recorded. We estimate that the selected helium droplets on their passage thr
Externí odkaz:
https://doaj.org/article/7d338361caaa47feaabf4261d19caaab
Autor:
Felix Duensing, Elisabeth Gruber, Paul Martini, Marcelo Goulart, Michael Gatchell, Bilal Rasul, Olof Echt, Fabio Zappa, Masoomeh Mahmoodi-Darian, Paul Scheier
Publikováno v:
Molecules, Vol 26, Iss 12, p 3484 (2021)
Complexes of atomic gold with a variety of ligands have been formed by passing helium nanodroplets (HNDs) through two pickup cells containing gold vapor and the vapor of another dopant, namely a rare gas, a diatomic molecule (H2, N2, O2, I2, P2), or
Externí odkaz:
https://doaj.org/article/cec0a26180034ce7b85d2dd51c1655da
Autor:
Stefan Bergmeister, Lisa Ganner, Johannes Locher, Fabio Zappa, Paul Scheier, Elisabeth Gruber
Publikováno v:
Review of Scientific Instruments. 94
In this contribution, we present an efficient and alternative method to the commonly used RF-multipole trap technique to produce He-tagged molecular ions at cryogenic temperatures, which are perfectly suitable for messenger spectroscopy. The seeding
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f98bd07dc81112f2b5d487779dba40c7
https://doi.org/10.1063/5.0144239
https://doi.org/10.1063/5.0144239
Publikováno v:
Molecular Physics.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c3fb5188724f138567aeca65e676e97
https://doi.org/10.1080/00268976.2023.2194455
https://doi.org/10.1080/00268976.2023.2194455
Phenanthrene: establishing lower and upper bounds to the binding energy of a very weakly bound anion
Autor:
Elisabeth Gruber, Siegfried Kollotzek, Stefan Bergmeister, Fabio Zappa, Milan Ončák, Paul Scheier, Olof Echt
Publikováno v:
Physical Chemistry Chemical Physics. 24:5138-5143
Quite a few molecules do not form stable anions that survive the time needed for their detection; their electron affinities (EA) are either very small or negative. How does one measure the EA if the anion cannot be observed? Or, at least, can one est
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b990711199d51e51b108a8f137931f6b
https://doi.org/10.1039/d1cp04755h
https://doi.org/10.1039/d1cp04755h
Autor:
Eva Zunzunegui-Bru, Elisabeth Gruber, Teresa Lázaro, Massimiliano Bartolomei, Marta I. Hernández, José Campos-Martínez, Tomás González-Lezana, Stefan Bergmeister, Fabio Zappa, Paul Scheier, Ricardo Pérez de Tudela, Javier Hernández-Rojas, José Bretón
Publikováno v:
The Journal of Physical Chemistry Letters, 14 (13)
In this Letter, we report the experimental detection of likely the largest ordered structure of helium atoms surrounding a monatomic impurity observed to date using a recently developed technique. The mass spectrometry investigation of HeNCa2+ cluste
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eca1901ed80c27165fdd82928829d0bb
