Compact Polyhedra of Cubic Symmetry: Geometrical Analysis and ClassificationCompact polyhedra of cubic point symmetry Oh, exhibit surfaces of planar sections (facets) characterized by normal vector families abc with up to 48 members each, compatible with Oh symmetry. We…KLaus E. Hermann·Sep 19, 2022SaveLearn
Observation and dynamic control of a new pathway of H3+ formationWe propose and experimentally demonstrate that the trihydrogen cation (H3+) can be produced via single photoionization of the molecular hydrogen dimer (H4). Using near-infrared, femtosecond…Yonghao Mi, Enliang Wang, Zack Dube et al.·Sep 1, 2022SaveLearn
Finding the semantic similarity in single-particle diffraction images using self-supervised contrastive projection learningSingle-shot diffraction imaging of isolated nanosized particles has seen remarkable success in recent years, yielding in-situ measurements with ultra-high spatial and temporal resolution. The…Julian Zimmermann, Fabien Beguet, Daniel Guthruf et al.·Aug 24, 2022SaveLearn
Three-Dimensional Coherent Diffractive Imaging of Isolated Faceted NanostructuresThe structure and dynamics of isolated nanosamples in free flight can be directly visualized via single-shot coherent diffractive imaging using the intense and short pulses of X-ray free-electron…Alessandro Colombo, Simon Dold, Patrice Kolb et al.·Aug 8, 2022SaveLearn
Response to "Comment on 'Phase transition temperatures of 405-725 K in superfluid ultra-dense hydrogen clusters on metal surfaces' [AIP Advances 6, 045111 (2016)]"In this invited response we answer all comments by Engelen and Hansen [arXiv:2207.07844]. We point out that the superfluid and superconductive properties of H(0) have been published previously. We…Leif Holmlid, Bernhard Kotzias·Aug 7, 2022SaveLearn
Recent progress in low-energy electron elastic-collisions with multi-electron atoms and fullerene moleculesWe briefly review recent applications of the Regge pole analysis to low-energy E less than/equal to 10.0 eV electron elastic collisions with large multi-electron atoms and fullerene molecules. We…Alfred Z. Msezane, Zineb Felfli·Jul 17, 2022SaveLearn
Comment on 'Phase transition temperatures of 405-725 K in superfluid ultra-dense hydrogen clusters on metal surfaces' [AIP Advances 6, 045111 (2016)]The article in HolmlidAIPA2016 has recently come to our attention. It makes a number of extraordinary claims that each contradict well established facts in several fields, ranging from atomic…Klavs Hansen, Jos Engelen·Jul 16, 2022SaveLearn
Evidence of quadrupole-quadrupole interactions in ultracold gasesVan der Waals interactions are interactions between dipoles. Similarly, quadrupole-quadrupole interactions are interactions between quadrupoles. In this article, we focus on the interactions between…Jianing Han, Juliet Michell, Morgan Umstead·Jul 15, 2022SaveLearn
Infrared spectra of (CO2)2-Rg trimers, Rg = Ne, Ar, Kr, and XeHigh resolution spectra of (CO2)2-Rg trimers (Rg = Ne, Ar, Kr, and Xe) in the region of the CO2 nu3 fundamental (~2350 cm-1) are reported, using a tunable OPO laser source to probe a…A. J. Barclay, A. R. W. McKellar, N. Moazzen-Ahmadi·Jul 7, 2022SaveLearn
Observing the completion of the first solvation shell of carbon dioxide in argon from rotationally resolved spectraWidespread interest in weakly bound molecular clusters of medium size (5-50 molecules) is motivated by their complicated energy landscapes, which lead to hundreds or thousands of distinct isomers.…A. J. Barclay, A. R. W. McKellar, N. Moazzen-Ahmadi·Jul 4, 2022SaveLearn
Shape fluctuations and radiation from thermally excited electronic states of boron clustersThe effect of thermal shape fluctuations on the recurrent fluorescence of boron cluster cations, BN+ (N=9-14), has been investigated numerically, with a special emphasis on B13+. For this…T. Höltzl, P. Ferrari, E. Janssens et al.·Jun 22, 2022SaveLearn
Dissociative electron attachment to gold(i) based compounds: 4,5-dichloro 1,3-diethyl imidazolylidene trifluoromethyl gold(i)With the use of proton-NMR and powder XRD (XRPD) studies, the suitability of specific Au FEBID precursors has been investigated to low electron energy, structure, excited states and resonances,…Maria Pintea, Nigel Mason, Anna Peiro Franch et al.·Jun 3, 2022SaveLearn
Predicting Molecule Size Distribution in Hydrocarbon Pyrolysis using Random Graph TheoryHydrocarbon pyrolysis is a complex process involving large numbers of chemical species and types of chemical reactions. Its quantitative description is important for planetary sciences, in…Vincent Dufour-Décieux, Christopher Moakler, Maria Cameron et al.·May 26, 2022SaveLearn
Extreme ultraviolet wave packet interferometry of the autoionizing HeNe dimerFemtosecond extreme ultraviolet wave packet interferometry (XUV-WPI) was applied to study resonant inter-atomic Coulombic decay (ICD) in the HeNe dimer. The high demands on phase stability and…Daniel Uhl, Andreas Wituschek, Rupert Michiels et al.·May 25, 2022SaveLearn
Dissociative electron attachment dynamics of carbon disulfide and violation of axial recoil approximation near the 6-eV resonanceComplete dissociation dynamics of low-energy electron attachment to carbon disulfide have been studied using the velocity slice imaging (VSI) technique. The ion yields of S- and CS- fragment ions as…Anirban Paul, Dhananjay Nandi·May 20, 2022SaveLearn
Unexpected dipole instabilities in small molecules after ultrafast XUV irradiationWe investigate the depletion of single-electron states in small molecules under the influence of very short XUV pulses. In N2, for a certain window of XUV energies around 50 eV, we observe a…Paul-Gerhard Reinhard, Daniel Dundas, Phuong Mai Dinh et al.·May 20, 2022SaveLearn
Atomistic Investigation of Elementary Dislocation Properties Influencing Mechanical Behaviour of Cr15Fe46Mn17Ni22 alloy and Cr20Fe70Ni10 alloyIn this work, molecular dynamics (MD) simulations were used to investigate elementary dislocation properties in a Co-free high entropy (HEA) model alloy (Cr15Fe46Mn17Ni22 at. %) in…Ayobami Daramola, Anna Fraczkiewicz, Giovanni Bonny et al.·May 18, 2022SaveLearn
Diffraction imaging of light induced dynamics in xenon-doped helium nanodropletsWe have explored the light induced dynamics in superfluid helium nanodroplets with wide-angle scattering in a pump-probe measurement scheme. The droplets are doped with xenon atoms to facilitate the…Bruno Langbehn, Yevheniy Ovcharenko, Andrew Clark et al.·May 9, 2022SaveLearn
Shells in CO2 ClustersAbundance spectra of (CO2)N clusters (up to N ≈ 500) acquired under a wide range of adiabatic expansion conditions are analyzed within the evaporative ensemble framework. Analysis…John W. Niman, Benjamin S. Kamerin, Vitaly V. Kresin et al.·May 3, 2022SaveLearn
Self-consistent solution of magnetic and friction energy losses of a magnetic nanoparticleWe present a simple simulation model for analysing magnetic and frictional losses of magnetic nano-particles in viscous fluids subject to alternating magnetic fields. Assuming a particle size below…Santiago Helbig, Claas Abert, Pedro A. Sánchez et al.·Apr 29, 2022SaveLearn
Probing the presence and absence of metal-fullerene electron transfer reactions in helium nanodroplets by deflection measurementsMetal-fullerene compounds are characterized by significant electron transfer to the fullerene cage, giving rise to an electric dipole moment. We use the method of electrostatic beam deflection to…John W. Niman, Benjamin S. Kamerin, Thomas H. Villers et al.·Apr 25, 2022SaveLearn
A new endstation for extreme-ultraviolet spectroscopy of free clusters and nanodropletsWe present a new endstation for the AMOLine of the ASTRID2 synchrotron at Aarhus University, which combines a cluster and nanodroplet beam source with a velocity map imaging and time-of-flight…Björn Bastian, Jakob D. Asmussen, Ltaief Ben Ltaief et al.·Apr 8, 2022SaveLearn
Time-resolved Ultrafast Interatomic Coulombic Decay in Superexcited Sodium-doped Helium NanodropletsThe autoionization dynamics of superexcited superfluid He nanodroplets doped with Na atoms is studied by extreme-ultraviolet (XUV) time-resolved electron spectroscopy. Following excitation into the…Jakob D. Asmussen, Rupert Michiels, Ulrich Bangert et al.·Mar 3, 2022SaveLearn
Weakly-bound clusters of atmospheric molecules: infrared spectra and structural calculations of (CO2)n-(CO)m-(N2)p, (n, m, p) = (2, 1, 0), (2, 0, 1), (1, 2, 0), (1, 0, 2), (1, 1, 1), (1, 3, 0), (1, 0, 3), (1, 2, 1), (1, 1, 2)Structural calculations and high-resolution infrared spectra are reported for trimers and tetramers containing CO2 together with CO and/or N2. Among the 9 clusters studied here, only…A. J. Barclay, A. R. W. McKellar, A. Pietropolli Charmet et al.·Feb 26, 2022SaveLearn
Photomolecular Effect: Visible Light Absorption at Water-Vapor InterfaceThe evaporation of water is ubiquitous in nature and industrial technologies. The known mechanism for evaporation is "thermal evaporation" which highlights the energy input for evaporation is via…Yaodong Tu, Gang Chen·Feb 22, 2022SaveLearn