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Polyoxometalates (POMs) are unconventional electro-active molecules with a great potential for applications in molecular memories, providing efficient processing steps onto electrodes are available. The synthesis of the organic-inorganic…

We have studied strong-field enhanced dissociative ionization of D$_{2}$O in 40 fs, 800 nm laser pulses with focused intensities of $< 1 - 3 \times 10^{15}W/cm^2$ by resolving the charged fragment momenta with respect to the laser…

Recent advances in experimental and computational techniques have allowed for an accurate description of the adsorption of ionic liquids on metallic electrodes. It is now well established that they adopt a multi-layered structure, and that…

Materials Science · Physics 2016-03-15 Benjamin Rotenberg , Mathieu Salanne

We present a method for generating cold neutral atoms via charge exchange reactions between trapped ions and Rydberg positronium. The high charge exchange reaction cross section leads to efficient neutralisation of the ions and since the…

Atomic Physics · Physics 2017-06-07 W. A. Bertsche , M. Charlton , S. Eriksson

We use molecular dynamics simulations of a simple model to show that dispersions of slightly elongated colloidal particles with long-range dipolar interactions, like ferrofluids, can form a physical (reversible) gel at low volume fractions.…

Soft Condensed Matter · Physics 2007-05-23 Ronald Blaak , Mark A. Miller , Jean-Pierre Hansen

High-energy ion irradiation deposits extreme energy in a narrow range (1-10 nm) along ion trajectories in solid through electronic energy loss, producing unique irradiation effects such as ion tracks. However, intrinsic velocity effects…

Applied Physics · Physics 2025-12-09 Zikang Ge , Jinhao Hu , Shengyuan Peng , Wei Kang , Xiaofei Shen , Yanbo Xie , Jianming Xue

We reported an imaging study of the dissociation dynamics of temporary negative ion N2O- formed in the low-energy electron attachment, e- + N2O -> N2O- -> N2 + O-. With the help of ab initio molecular dynamics calculations, the evolution of…

Chemical Physics · Physics 2015-06-11 Lei Xia , Bin Wu , Hong-Kai Li , Xian-Jin Zeng , Shan Xi Tian

We address a molecular dissociation mechanism that is known to occur when a H 2 molecule approaches a catalyst with its molecular axis parallel to the surface. It is found that molecular dissociation is a form of quantum dynamical phase…

Chemical Physics · Physics 2016-05-31 Andres Ruderman , Axel Dente , Elizabeth Santos , Horacio Miguel Pastawski

We present state-selected measurements of rotational cooling and excitation rates of CH$^+$ molecular ions by inelastic electron collisions. The experiments are carried out at the Cryogenic Storage Ring, making use of a monoenergetic…

Ultracold neutral plasmas, formed by photoionizing laser-cooled atoms near the ionization threshold, have electron temperatures in the 1-1000 kelvin range and ion temperatures from tens of millikelvin to a few kelvin. They represent a new…

Atomic Physics · Physics 2009-11-13 T. C. Killian , T. Pattard , T. Pohl , J. M. Rost

We review recent progress in the field of cold trapped molecular ions. A new generation of collision and cold chemistry experiments between atoms and ions has emerged, where cold atoms and ions are brought into contact in a controlled way…

Atomic Physics · Physics 2024-08-28 Markus Deiß , Stefan Willitsch , Johannes Hecker Denschlag

We perform molecular dynamics simulations driven by accurate Quantum Monte Carlo forces on dense liquid hydrogen. Recently it has been reported a complete atomization transition between a mixed-atomic liquid and a completely dissociated…

Strongly Correlated Electrons · Physics 2015-06-23 Guglielmo Mazzola , Sandro Sorella

The ability to cool single ions, atomic ensembles, and more recently macroscopic degrees of freedom down to the quantum groundstate has generated considerable progress and perspectives in Basic and Technological Science. These major…

Mesoscale and Nanoscale Physics · Physics 2016-02-17 A. Niguès , A. Siria , P. Verlot

The conductance of a molecular junction is commonly determined by either charge-transfer-doping, where alignment of the Fermi energy to the molecular levels is achieved, or tunnelling through the tails of molecular resonances within the…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 R. Gutierrez , G. Fagas , K. Richter , F. Grossmann , R. Schmidt

Studies on the interactions between an alkali atom and an alkaline earth ion at low energy are important in the field of cold chemistry. In this paper we, extensively, study the structure, interactions, and dynamics of (MgCs)$^+$ molecular…

Atomic Physics · Physics 2022-10-05 Mohamed Farjallah , Dibyendu Sardar , Bimalendu Deb , Hamid Berriche

Mode-coupling theory provides a unified description of the rotational and translational dynamics of polyatomic ions. These molecular ions are distinct from usual models of ion diffusion, such as K+ , Cl- etc., and also different from…

Soft Condensed Matter · Physics 2018-03-06 Puja Banerjee , Biman Bagchi

Several calorimetric measurements have shown that 1-ethyl-3-methylimidazolium dicyanamide, [C2C1im][N(CN)2], is a glass-forming liquid, even though it is a low-viscous liquid at room temperature. Here we found slow crystallization during…

Chemical Physics · Physics 2021-07-28 Kalil Bernardino , Thamires A. Lima , Mauro C. C. Ribeiro

Nonsequential multiple ionization of atoms in intense laser fields is initiated by a recollision between an electron, freed by tunneling, and its parent ion. Following recollision, the initial electron shares its energy with several bound…

Atomic Physics · Physics 2009-11-11 X. Liu , C. Figueira de Morisson Faria , W Becker , P. B. Corkum

A number of group III-metal oxides are studied via density functional theory in order to establish a possibility of nonthermal transition of these materials into a superionic state. Atomic and electronic properties of the materials are…

Materials Science · Physics 2022-08-09 R. A. Voronkov , N. Medvedev , A. E. Volkov

Power dissipation is a great challenge for the continuous scaling down and performance improvement of CMOS technology, due to thermionic current switching limit of conventional MOSFETs. In this work, we show that this problem can be…

Mesoscale and Nanoscale Physics · Physics 2020-07-01 Fei Liu
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