W
Wieland Schöllkopf
Researcher at Max Planck Society
Publications - 22
Citations - 1312
Wieland Schöllkopf is an academic researcher from Max Planck Society. The author has contributed to research in topics: Helium dimer & Diffraction. The author has an hindex of 12, co-authored 22 publications receiving 1240 citations. Previous affiliations of Wieland Schöllkopf include Fritz Haber Institute of the Max Planck Society & FHI 360.
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Journal ArticleDOI
Nondestructive Mass Selection of Small van der Waals Clusters
TL;DR: It is shown that light fragile clusters of He, H2, and D2 can be selected and identified nondestructively by diffraction from a transmission grating and is universally applicable also to heavier species and well suited for spectroscopic studies.
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Determination of the Bond Length and Binding Energy of the Helium Dimer by Diffraction from a Transmission Grating
R. E. Grisenti,Wieland Schöllkopf,J. P. Toennies,Gerhard C. Hegerfeldt,T. Köhler,Martin Stoll +5 more
TL;DR: A molecular beam consisting of small helium clusters is diffracted from a 100 nm period transmission grating and the bond length (mean internuclear distance) and the binding energy are found to be = 52+/-4 A and |E(b)| = 1.3/-0.2 mK.
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The nondestructive detection of the helium dimer and trimer
TL;DR: In this article, a transmission grating is used to non-destructively analyze a low source temperature (6-60 K) beam of helium for small clusters, and relative ionization and fragmentation probabilities are measured and lend support to a recent mass spectrometer experiment claiming detection of He2.
Journal ArticleDOI
Determination of Atom-Surface van der Waals Potentials from Transmission-Grating Diffraction Intensities
TL;DR: In this paper, the authors analyzed the long-range van der Waals interaction of rare gas atoms with the walls of the grating bars and showed that the results exhibit the expected linear dependence on the dipole polarizability.
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Interatomic Coulombic Decay following Photoionization of the Helium Dimer: Observation of Vibrational Structure
T. Havermeier,Till Jahnke,K. Kreidi,R. Wallauer,S. Voss,Markus Schöffler,S. Schössler,Lutz Foucar,N. Neumann,J. Titze,H. Sann,M. Kühnel,J. Voigtsberger,J. H. Morilla,Wieland Schöllkopf,Horst Schmidt-Böcking,Robert E. Grisenti,Reinhard Dörner +17 more
TL;DR: A measurement of the momenta of fragments that are created during the shakeup process of a helium dimer shows pronounced oscillations which are attributed to the structure of the vibrational wave function of the dimer ion.