Feynman-Enderlein Path Integral for Single-Molecule NanofluidicsSingle-molecule motions in the nanofluidic domain are extremely difficult to characterise because of various complex physical and physicochemical interactions. We present a method for…Siddharth Ghosh·Feb 22, 2021SaveLearn
Phase-of-the-phase electron momentum spectroscopy on single metal atoms in helium nanodropletsMagnesium atoms fully embedded in helium nanodroplets are exposed to two-color laser pulses, which trigger multiphoton above-threshold ionization (ATI). This allows to exemplarily study the…B. Krebs, V. A. Tulsky, L. Kazak et al.·Feb 16, 2021SaveLearn
Intermolecular vibrational states far above the van der Waals minimum: combination bands of the polar N2O dimerInfrared combination bands of the polar isomer of the N2O dimer are observed for the first time, using a tunable infrared laser source to probe a pulsed slit-jet supersonic expansion in the N2O nu1…A. R. W. McKellar, Moazzen-Ahmadi·Feb 3, 2021SaveLearn
Inorganic component imaging of aggregate glue droplets on spider orb webs by TOF-SIMSIn this review, we discuss the use of time-of-flight secondary-ion mass spectrometry (TOF-SIMS) technology for analyzing the viscous glue (is called aggregate glue droplets) of spider orb webs and…Yue Zhao, Masato Morita, Tetsuo Sakamoto·Jan 27, 2021SaveLearn
Exploring the next step in micro-solvation of CO in water: Infrared spectra and structural calculations of (H2O)4- CO and (D2O)4- COWe extend studies of micro-solvation of carbon monoxide by a combination of high-resolution IR spectroscopy and ab initio calculations. Spectra of the (H2O)4-CO and (D2O)4-CO pentamers are observed…A. J. Barclay, A. Pietropolli Charmet, A. R. W. McKellar et al.·Jan 19, 2021SaveLearn
Path-integral calculation of the fourth virial coefficient of helium isotopesWe use the path-integral Monte Carlo (PIMC) method and state-of-the-art two-body and three-body potentials to calculate the fourth virial coefficients D(T) of 4He and 3He as functions of…Giovanni Garberoglio, Allan H. Harvey·Jan 7, 2021SaveLearn
Vibrational angular momentum level densities of linear moleculesWhile linear molecules in their vibrational ground state cannot carry angular momentum around their symmetry axis, the presence of vibrational excitations can induce deformations away from linearity…Klavs Hansen, Piero Ferrari·Dec 17, 2020SaveLearn
Ultrafast transfer and transient entrapment of photoexcited Mg electron in Mg@C60Electron relaxation is studied in endofullerene Mg@C60, after an initial localized photoexcitation in Mg, by nonadiabtic molecular dynamics simulations. To ensure reliability, two methods are used:…Mohamed El-Amine Madjet, Esam Ali, Marcelo Carignano et al.·Dec 1, 2020SaveLearn
Average Doppler Shift of Gamma-ray Spectra of Positron Annihilation Process in MoleculesThis paper studies the gamma-ray spectra of positron annihilation processes in a series of molecules. The results show that the average valence electron energy of the molecules has a linear…Fang Yuan, Xiaoguang Ma, Yu Wu et al.·Dec 1, 2020SaveLearn
Exciton-trion dynamics of a single molecule in a radio-frequency cavityCharged optical excitations (trions) generated by charge carrier injection are crucial for emerging optoelectronic technologies as they can be produced and manipulated by electric fields. Trions and…Jiří Doležal, Sofia Canola, Pablo Merino et al.·Nov 28, 2020SaveLearn
Cold atom-dimer reaction rates with 4He, 6,7Li and 23NaAtom-dimer exchange and dissociation reaction rates are predicted for different combinations of two 4He atoms and one of the alkaline species among 6Li, 7Li and 23Na, by using…Mahdi A. Shalchi, Marcelo T. Yamashita, Tobias Frederico et al.·Nov 24, 2020SaveLearn
Kinetic energy deposited into a nanodroplet, cluster, or molecule in a sticking collision with background gasIn processes when particles such as nanodroplets, clusters, or molecules move through a dilute background gas and undergo capture collisions, it is often important to know how much translational…Jiahao Liang, Vitaly V. Kresin·Nov 17, 2020SaveLearn
Swirling the weakly bound helium dimer from insideControlling the interactions between atoms with external fields opened up new branches in physics ranging from strongly correlated atomic systems to ideal Bose and Fermi gases and Efimov physics.…Maksim Kunitski, Qingze Guan, Holger Maschkiwitz et al.·Nov 13, 2020SaveLearn
Molecular dynamics simulations of sodium nanoparticle deposition on magnesium oxideThe interaction of mass-selected atomic clusters and nanoparticles with surfaces attracts strong interest in view of fundamental research and technological applications. Understanding dynamics of the…Yannick Fortouna, Pablo de Vera, Alexey Verkhovtsev et al.·Nov 8, 2020SaveLearn
Bulky Counterions: Enhancing the Two-Photon Excited Fluorescence of Gold NanoclustersIncreasing fluorescence quantum yields of ligand-protected gold nanoclusters has attracted wide research interest. The strategy consisting in using bulky counterions has been found to dramatically…Franck Bertorelle, Christophe Moulin, Antonin Soleilhac et al.·Nov 3, 2020SaveLearn
Study of hydrogen confined in onion shellsIn this work, we present a theoretical study of the photoionization for atomic hydrogen confined in onion fullerene compared with the bare H atom and the single fullerene case. We obtained the…Ana Laura Frapiccini, Dario Marcelo Mitnik·Oct 28, 2020SaveLearn
Evolution and ion kinetics of a XUV-induced nanoplasma in ammonia clustersHigh-intensity extreme ultraviolet (XUV) pulses from a free-electron laser can be used to create a nanoplasma in clusters. In Ref. [Michiels et al. PCCP, 2020; 22: 7828-7834] we investigated the…R. Michiels, A. C. LaForge, M. Bohlen et al.·Oct 19, 2020SaveLearn
On the Generation of Multiply Charged Argon Ions in Nanosecond Laser Field Ionization of ArgonZhang and coworkers have recently reported results of experiments involving irradiation of argon clusters doped with bromofluorene chromophores by nanosecond-long pulses of 532 nm laser light.…Rajesh K Vatsa, Deepak Mathur·Oct 16, 2020SaveLearn
Hybridization and coherence in subshell differential intercluster plasmonic decay in Na20@C240We study the ground state structure and aspects of photoionization dynamics of the Na20@C240 endofullerene. The structure shows effects from the electronic coupling between the nested cluster…Rasheed Shaik, Hari R. Varma, Mohamed El-Amine Madjet et al.·Oct 10, 2020SaveLearn
ClasSOMfier: A neural network for cluster analysis and detection of lattice defectsClasSOMfier is a software package to classify atoms into a given number of disconnected groups (or clusters) and detect lattice defects, such as vacancies, interstitials, dislocations, voids and…Javier F. Troncoso·Oct 8, 2020SaveLearn
Picosecond pulse-shaping for strong three-dimensional field-free alignment of generic asymmetric-top moleculesFixing molecules in space is a crucial step for the imaging of molecular structure and dynamics. Here, we demonstrate three-dimensional (3D) field-free alignment of the prototypical asymmetric top…Terry Mullins, Evangelos Thomas Karamatskos, Joss Wiese et al.·Sep 17, 2020SaveLearn
Symmetry breaking of the bending mode of CO2 in the presence of ArThe weak infrared spectrum of CO2-Ar corresponding to the (0111) <-- (0110) hot band of CO2 is detected in the region of the carbon dioxide nu3 fundamental vibration (~2340 cm-1), using a tunable OPO…T. A. Gartner, A. J. Barclay, A. R. W. McKellar et al.·Sep 9, 2020SaveLearn
Time-resolved study of resonant interatomic Coulombic decay in helium nanodropletsWhen weakly-bound complexes are multiply excited by intense electromagnetic radiation, energy can be exchanged between neighboring atoms through a type of resonant interatomic Coulombic decay (ICD).…A. C. LaForge, R. Michiels, Y. Ovcharenko et al.·Sep 3, 2020SaveLearn
Electric deflection of imidazole dimers and trimers in helium nanodroplets: Dipole moments, structure, and fragmentationDeuterated imidazole (IM) molecules, dimers and trimers formed in liquid helium nanodroplets are studied by the electrostatic beam deflection method. Monitoring the deflection profile of (IM)D+…Benjamin S. Kamerin, John W. Niman, Vitaly V. Kresin·Aug 25, 2020SaveLearn
Independent-atom-model coupled-channel calculations strengthen the case for interatomic Coulomb decay as a subdominant reaction channel in slow O3+-Ne2 collisionsWe report on electron removal calculations for 2.81 keV/amu Li3+ and O3+ ion collisions with neon dimers. The target is described as two independent neon atoms fixed at the dimer's…Dyuman Bhattacharya, Tom Kirchner·Aug 23, 2020SaveLearn